======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '175'
                                          'artist'  'Tara Cross'
                                     'text_people'  ''
                                         'release'  'Insane Music for Insane People Vol. 10'
                                           'title'  'PK-15'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['electronic', 'minimal synth', 'minimal electronic', 'minimal wave', "
 "'experimental']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1986'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;set-pl-mor'
                                             'bpm'  '112.8'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Insane Music for Insane People Vol. 10'
'TBPM' (BPM (beats per minute))                     '112.8'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'set-pl-mor']
'TDRC' (Recording time)                             '1986'
'TIT2' (Title/songname/content description)         'PK-15'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Tara Cross'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronic',
 'minimal synth',
 'minimal electronic',
 'minimal wave',
 'experimental']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.77 dB'
'TXXX:replaygain_track_peak'                        '0.509902'
'TXXX:tracknum'                                     '03'

========================== row from database ==========================
                                              'id'  1372940
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Ernest Hembersin - Insane Music For Insane People Vol. 10 (Insane Music, 1986) [224k]/03 Tara Cross - PK-15.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  175
                                           'genre'  electronic-unsorted;set-pl-mor
                                        'filesize'  4915154
                                           'mtime'  1642339766
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Ernest Hembersin For (Insane Music, 1986) [224k] 03 electronic unsorted;set mor
                                      'tag_artist'  Tara Cross
                                     'tag_release'  Insane Music for Insane People Vol. 10
                                       'tag_title'  PK-15
                                             'bpm'  112.8
                                    'search_title'  '15':2 'pk':1 'pk15':3
                                   'search_artist'  'cross':2 'tara':1
                                  'search_release'  'for':3 'insane':1 'music':2 'people':4 'vol':5,6
                                     'search_rest'  '1986':8,9 '224k':10,11 'electronic':12 'ernest':1 'for':3 'hembersin':2 'insane':4,5 'mor':17 'music':6,7 'set':14,16 'unsorted':13,15
                                    'search_combo'  '15':2A '1986':19,20 '224k':21,22 'cross':5B 'electronic':23 'ernest':12 'for':8C,14 'hembersin':13 'insane':6C,15,16 'mor':28 'music':7C,17,18 'people':9C 'pk':1A 'pk15':3A 'set':25,27 'tara':4B 'unsorted':24,26 'vol':10C,11C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']
                                      'lastfmtags'  ['electronic', 'minimal synth', 'minimal electronic', 'minimal wave', 'experimental']
                                        'tag_date'  1986
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1642339766.457931  (2022-01-16 14:29:26)
                             'size'  4915154