======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '247'
                                          'artist'  'Faithless'
                                     'text_people'  'Faithless/Maxi Jazz/Rollo/Sister Bliss'
                                         'release'  'Outrospective'
                                           'title'  'Donny X'
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 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
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                                      'lastfmtags'  "['dance', 'trip hop', 'electronica', 'electronic', 'house']"
                                     'discogstags'  "['electronic', 'house', 'downtempo', 'trance']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '12'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '119'
                                             'key'  '4A'
                                        'acoustid'  'e40c98e1-982b-4976-8d8c-f4f3cef364ff'
rest: ''

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'TBPM' (BPM (beats per minute))                     '119'
'TCOM' (Composer)                                   'Faithless/Maxi Jazz/Rollo/Sister Bliss'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2002-08-26'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['engineer', 'Grippa'], ['producer', 'Rollo'], ['producer', 'Sister Bliss']])
'TIT2' (Title/songname/content description)         'Donny X'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Faithless'
'TPE2' (Band/orchestra/accompaniment)               'Faithless'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Cheeky Records'
'TRCK' (Track number/Position in set)               '1/12'
'TSO2'                                              'Faithless'
'TSOP' (Performer sort order)                       'Faithless'
'TSRC' (ISRC (international standard recording code))  'GBBXH0100027'
'TSST' (Set subtitle)                               'Outrospective'
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'TXXX:Artists'                                      'Faithless'
'TXXX:BARCODE'                                      '743219534620'
'TXXX:CATALOGNUMBER'                                '74321 95346 2'
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'TXXX:MusicBrainz Album Id'                         'f82d2814-6c87-3a56-b423-be9518941bd0'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
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'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'house', 'downtempo', 'trance']
'TXXX:lastfmtags'                                   ['dance', 'trip hop', 'electronica', 'electronic', 'house']
'TXXX:originalyear'                                 '2001'
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'TXXX:q-drums'                                      '4'
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'TXXX:q-piano'                                      '1'
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========================== row from database ==========================
                                              'id'  1333161
                                            'path'  /data/Music/Bulk/00poprockelectronic/Faithless/2001 Outrospective/01 - Donny X.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  247
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  7957864
                                           'mtime'  1636911239
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2001 01 electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Faithless
                                     'tag_release'  Outrospective
                                       'tag_title'  Donny X
                                             'bpm'  119.0
                                    'search_title'  'donny':1 'x':2
                                   'search_artist'  'faithless':1
                                  'search_release'  'outrospective':1
                                     'search_rest'  '00poprockelectronic':1 '2001':2 'acid':8 'downtempo':7 'electronic':3 'hop':5 'jazz':9 'or':6 'trip':4
                                    'search_combo'  '00poprockelectronic':5 '2001':6 'acid':12 'donny':1A 'downtempo':11 'electronic':7 'faithless':3B 'hop':9 'jazz':13 'or':10 'outrospective':4C 'trip':8 'x':2A
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'trip hop', 'electronica', 'electronic', 'house']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic', 'house', 'downtempo', 'trance']

============================== file details ==============================
                                           'mtime'  1636911239.1871889  (2021-11-14 18:33:59)
                             'size'  7957864