**Exhibit      31.1**

**CERTIFICATION**

|   | 1. | I                have reviewed this annual report on Form 10-K in respect of the Corporate                Backed Trust Certificates, DaimlerChrysler Debenture-Backed Series                2004-8                Trust** **(the                “Trust”); |
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|   | 2. | Based                on my knowledge, the information in this annual report, taken as                a whole,                does not contain any untrue statement of a material fact or omit                to state                a material fact necessary to make the statements made, in light of                the                circumstances under which such statements were made, not misleading                as of                the last day of the period covered by this annual                report; |
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|   | 3. | Based                on my knowledge, the distribution or servicing information required                to be                provided to the Depositor by the Trustee under the pooling and servicing                or similar agreement, for inclusion in this annual report is included                in                this report; |
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|   | 4. | I                am responsible for reviewing the activities performed by the Depositor                and                the Trustee under the pooling and servicing or similar agreement                and based                upon my knowledge and the annual compliance review required under                that                agreement, and except as disclosed in this annual report, the Depositor                and Trustee have each fulfilled its obligations under that agreement;                and |
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|   | 5. | This                annual report discloses all significant deficiencies relating to                the                compliance by the Trustee and the Depositor with the minimum servicing                or                similar standards based upon the report provided by an independent                public                accountant, after conducting a review in compliance with the Uniform                Single Attestation Program for Mortgage Bankers or similar procedure,                as                set forth in the pooling and servicing or similar agreement that                is                included in this annual report. |
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|  /s/Charles                M. Weaver                                    |   |   |
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|  Charles                M. Weaver, Senior Vice                President |   |   |

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