======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '643'
                                          'artist'  'S.o.l..i.s.'
                                     'text_people'  ''
                                         'release'  '1990s techno'
                                           'title'  'Dolphins Original Mix'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-GRIT-3', 'q-bass-3', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'Q-SYN-4', 'Q-BUSY-3', 'Q-PLAY-2', 'Q-CHART-2', "
 "'Q-MIXBEAT-4']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '141.2'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000464 00000364 00002BBF 00001572 00053037 00030D57 00008000 00008000 '
 '00094F15 00094F15')
'TALB' (Album/Movie/Show title)                     '1990s techno'
'TBPM' (BPM (beats per minute))                     '141.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Dolphins Original Mix'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'S.o.l..i.s.'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '4'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.03 dB'
'TXXX:replaygain_track_peak'                        '0.604513'

========================== row from database ==========================
                                              'id'  1539715
                                            'path'  /data/Music/Bulk/00poprockelectronic/1990_S TECHNO__SOME OF MY VINYLS_/S.O.L..I.S._DOLPHINS_ORIGINAL MIX.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  643
                                           'genre'  electronic-th-techno
                                        'filesize'  25729777
                                           'mtime'  1678648602
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1990_S TECHNO__SOME OF MY VINYLS_ S.O.L..I.S._DOLPHINS_ORIGINAL MIX electronic th
                                      'tag_artist'  S.o.l..i.s.
                                     'tag_release'  1990s techno
                                       'tag_title'  Dolphins Original Mix
                                             'bpm'  141.2
                                    'search_title'  'dolphins':1 'mix':3 'original':2
                                   'search_artist'  'i':4 'l':3 'o':2 's':1,5 'solis':6
                                  'search_release'  '1990s':1 'techno':2
                                     'search_rest'  '00poprockelectronic':1 '1990':2 'dolphins':14,17 'electronic':20 'i':12 'l':11 'mix':19 'my':7 'o':10 'of':6 'original':15,18 's':3,9,13 'solis':16 'some':5 'techno':4 'th':21 'vinyls':8
                                    'search_combo'  '00poprockelectronic':12 '1990':13 '1990s':10C 'dolphins':1A,25,28 'electronic':31 'i':7B,23 'l':6B,22 'mix':3A,30 'my':18 'o':5B,21 'of':17 'original':2A,26,29 's':4B,8B,14,20,24 'solis':9B,27 'some':16 'techno':11C,15 'th':32 'vinyls':19
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-GRIT-3', 'q-bass-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-SYN-4', 'Q-BUSY-3', 'Q-PLAY-2', 'Q-CHART-2', 'Q-MIXBEAT-4']
                                      'lastfmtags'  []
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678648601.7698705  (2023-03-12 20:16:41)
                             'size'  25729777