======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '188'
                                          'artist'  'Tom Waits'
                                     'text_people'  'Tom Waits'
                                         'release'  'Swordfishtrombones'
                                           'title'  'Swordfishtrombone'
                                           'quals'  ("['Q-JZFKS-2', 'Q-HAP-2', 'Q-LOCALNESS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']"
                                     'discogstags'  "['rock', 'alternative rock', 'abstract', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1983'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-experimental'
                                             'bpm'  '117.4'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'TALB' (Album/Movie/Show title)                     'Swordfishtrombones'
'TBPM' (BPM (beats per minute))                     '117.4'
'TCOM' (Composer)                                   'Tom Waits'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-experimental'
'TDRC' (Recording time)                             '1983'
'TIT2' (Title/songname/content description)         'Swordfishtrombone'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '188266'
'TPE1' (Lead performer(s)/Soloist(s))               'Tom Waits'
'TPE2' (Band/orchestra/accompaniment)               'Tom Waits'
'TPUB' (Publisher)                                  'Divine Recordings'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'alternative rock', 'abstract', 'experimental']
'TXXX:lastfmtags'                                   ['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.73 dB'
'TXXX:replaygain_track_peak'                        '0.774717'

========================== row from database ==========================
                                              'id'  1358145
                                            'path'  /data/Music/Bulk/00poprockelectronic/TomWaits/Swordfishtrombones/10-Swordfishtrombones.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  188
                                           'genre'  ifs-songwriter-experimental
                                        'filesize'  7591418
                                           'mtime'  1639508237
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic TomWaits 10 ifs songwriter experimental
                                      'tag_artist'  Tom Waits
                                     'tag_release'  Swordfishtrombones
                                       'tag_title'  Swordfishtrombone
                                             'bpm'  117.4
                                    'search_title'  'swordfishtrombone':1
                                   'search_artist'  'tom':1 'waits':2
                                  'search_release'  'swordfishtrombones':1
                                     'search_rest'  '00poprockelectronic':1 'experimental':5 'ifs':3 'songwriter':4 'tom':6 'tomwaits':2 'waits':7
                                    'search_combo'  '00poprockelectronic':5 'experimental':9 'ifs':7 'songwriter':8 'swordfishtrombone':1A 'swordfishtrombones':4C 'tom':2B,10 'tomwaits':6 'waits':3B,11
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']
                                        'tag_date'  1983
                                     'discogstags'  ['rock', 'alternative rock', 'abstract', 'experimental']

============================== file details ==============================
                                           'mtime'  1639508237.3544722  (2021-12-14 19:57:17)
                             'size'  7591418