======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '271'
                                          'artist'  'Frank Zappa'
                                     'text_people'  ''
                                         'release'  'The Best Band You Never Heard in Your Life'
                                           'title'  'Cosmic Debris'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-OLDST-2', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['classic rock', 'jazz', 'progressive rock', 'experimental', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '13'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-experimental'
                                             'bpm'  '84.245'
                                             'key'  '6A'
                                        'acoustid'  '8f36e5c3-9fa0-4a68-9a3d-8d36057a2f79'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Best Band You Never Heard in Your Life'
'TBPM' (BPM (beats per minute))                     '84.245'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-experimental'
'TDOR' (Original release time)                      '1991'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Cosmic Debris'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Frank Zappa'
'TPE2' (Band/orchestra/accompaniment)               'Frank Zappa'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Rykodisc'
'TRCK' (Track number/Position in set)               '3/13'
'TSO2'                                              'Zappa, Frank'
'TSOP' (Performer sort order)                       'Zappa, Frank'
'TXXX:ASIN'                                         'B0000009TJ'
'TXXX:Acoustid Id'                                  '8f36e5c3-9fa0-4a68-9a3d-8d36057a2f79'
'TXXX:BARCODE'                                      '014431065323'
'TXXX:CATALOGNUMBER'                                'RCD 10653/54'
'TXXX:MusicBrainz Album Artist Id'                  'e20747e7-55a4-452e-8766-7b985585082d'
'TXXX:MusicBrainz Album Id'                         '1968da02-700b-4524-a99f-c2f781412a09'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'live'
'TXXX:MusicBrainz Artist Id'                        'e20747e7-55a4-452e-8766-7b985585082d'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['classic rock', 'jazz', 'progressive rock', 'experimental', 'rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.36 dB'
'TXXX:replaygain_track_peak'                        '0.568903'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'06748a98-f658-4d8d-9dc2-66db4ca1e109')

========================== row from database ==========================
                                              'id'  1325731
                                            'path'  /data/Music/Bulk/00poprockelectronic/Frank Zappa/The Best Band You Never Heard In Your Life/03 - Cosmik Debris (live).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  271
                                           'genre'  ifs-songwriter-experimental
                                        'filesize'  4350877
                                           'mtime'  1636757603
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic In 03 Cosmik (live) ifs songwriter experimental
                                      'tag_artist'  Frank Zappa
                                     'tag_release'  The Best Band You Never Heard in Your Life
                                       'tag_title'  Cosmic Debris
                                             'bpm'  84.245
                                    'search_title'  'cosmic':1 'debris':2
                                   'search_artist'  'frank':1 'zappa':2
                                  'search_release'  'band':3 'best':2 'heard':6 'in':7 'life':9 'never':5 'the':1 'you':4 'your':8
                                     'search_rest'  '00poprockelectronic':1 'cosmik':3 'experimental':8 'ifs':6 'in':2 'live':4,5 'songwriter':7
                                    'search_combo'  '00poprockelectronic':14 'band':7C 'best':6C 'cosmic':1A 'cosmik':16 'debris':2A 'experimental':21 'frank':3B 'heard':10C 'ifs':19 'in':11C,15 'life':13C 'live':17,18 'never':9C 'songwriter':20 'the':5C 'you':8C 'your':12C 'zappa':4B
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['classic rock', 'jazz', 'progressive rock', 'experimental', 'rock']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636757603.423614  (2021-11-12 23:53:23)
                             'size'  4350877