======================== unified (from filesystem) ========================
                                         'bitrate'  '123.053'
                                        'duration'  '305'
                                          'artist'  'Weezer'
                                     'text_people'  'Rivers Cuomo'
                                         'release'  'Weezer'
                                           'title'  'Undone - The Sweater Song'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
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                                      'lastfmtags'  "['alternative rock', '90s', 'alternative', 'rock']"
                                     'discogstags'  "['rock', 'alternative rock', 'grunge', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '10'
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '106.2'
                                             'key'  '2B'
                                        'acoustid'  '8304a394-15bd-4f59-abc7-d488e772c985'
rest: ''

======================== rawer (from filesystem) ========================

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'TALB' (Album/Movie/Show title)                     'Weezer'
'TBPM' (BPM (beats per minute))                     '106.2'
'TCOM' (Composer)                                   'Rivers Cuomo'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDOR' (Original release time)                      '1994'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'Undone - The Sweater Song'
'TKEY' (Initial key)                                '2B'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Weezer'
'TPE2' (Band/orchestra/accompaniment)               'Weezer'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'DGC Records'
'TRCK' (Track number/Position in set)               '5/10'
'TSO2'                                              'Weezer'
'TSOP' (Performer sort order)                       'Weezer'
'TSRC' (ISRC (international standard recording code))  'USGF19562908/USGF19962905'
'TXXX:ASIN'                                         'B000W21ER4'
'TXXX:Acoustid Id'                                  '8304a394-15bd-4f59-abc7-d488e772c985'
'TXXX:Artists'                                      'Weezer'
'TXXX:BARCODE'                                      '720642462928'
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'TXXX:MusicBrainz Album Id'                         '73698ebd-069e-4bed-9fd6-9b196be45e0d'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '6fe07aa5-fec0-4eca-a456-f29bff451b04'
'TXXX:MusicBrainz Release Group Id'                 'c7b245c9-8099-32ea-af95-893acedde2cf'
'TXXX:MusicBrainz Release Track Id'                 'c5929958-02d7-415b-b79d-bf9e2305b941'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'alternative rock', 'grunge', 'indie rock']
'TXXX:lastfmtags'                                   ['alternative rock', '90s', 'alternative', 'rock']
'TXXX:originalyear'                                 '1994'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.69 dB'
'TXXX:replaygain_track_peak'                        '0.507066'
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========================== row from database ==========================
                                              'id'  1300655
                                            'path'  /data/Music/Bulk/00poprockelectronic/Weezer/Weezer/Weezer - 05 - Undone (The Sweater Song).mp3
                                         'working'  None
                                         'bitrate'  123
                                    'duration_sec'  305
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  4754867
                                           'mtime'  1637330421
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 05 (The Song) ifs songwriter indie rock
                                      'tag_artist'  Weezer
                                     'tag_release'  Weezer
                                       'tag_title'  Undone - The Sweater Song
                                             'bpm'  106.2
                                    'search_title'  'song':4 'sweater':3 'the':2 'undone':1
                                   'search_artist'  'weezer':1
                                  'search_release'  'weezer':1
                                     'search_rest'  '00poprockelectronic':1 'ifs':6 'indie':8 'rock':9 'song':4,5 'songwriter':7 'the':2,3
                                    'search_combo'  '00poprockelectronic':7 'ifs':12 'indie':14 'rock':15 'song':4A,10,11 'songwriter':13 'sweater':3A 'the':2A,8,9 'undone':1A 'weezer':5B,6C
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', '90s', 'alternative', 'rock']
                                        'tag_date'  1994
                                     'discogstags'  ['rock', 'alternative rock', 'grunge', 'indie rock']

============================== file details ==============================
                                           'mtime'  1637330421.0910828  (2021-11-19 15:00:21)
                             'size'  4754867