======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '117'
                                          'artist'  'Irving Ashby'
                                     'text_people'  ''
                                         'release'  'Greaser Instrumentals Vol. 08'
                                           'title'  'Rock-A-Cha'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', "
 "'q-grit-2', 'q-play-3', 'Q-OLDST-2', 'q-chart-1', 'q-drums-1', 'q-other-4', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['jazz', 'rhythm and blues', 'guitarist', 'all']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '27'
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-pop-surf'
                                             'bpm'  '124.6'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 0000144F 00001428 0000B67D 0000D03C 000042BC 000042BC 00007F13 00007E02 '
 '0000791F 0000559C')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000007E0 00000000004F1010 00000000 0023CF59 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '27++'
'TALB' (Album/Movie/Show title)                     'Greaser Instrumentals Vol. 08'
'TBPM' (BPM (beats per minute))                     '124.6'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-surf'
'TDRC' (Recording time)                             '1965'
'TENC' (Encoded by)                                 'iTunes 11.1.5.5'
'TIT2' (Title/songname/content description)         'Rock-A-Cha'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Irving Ashby'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '9/27'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'rhythm and blues', 'guitarist', 'all']
'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'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.31 dB'
'TXXX:replaygain_track_peak'                        '0.415111'

========================== row from database ==========================
                                              'id'  1420162
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Bobby Gregg - va - Greaser Instrumentals Vol. 08/09 Rock-A-Cha.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  117
                                           'genre'  rock-pop-surf
                                        'filesize'  2353216
                                           'mtime'  1620736909
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner Bobby Gregg va 09 rock pop surf
                                      'tag_artist'  Irving Ashby
                                     'tag_release'  Greaser Instrumentals Vol. 08
                                       'tag_title'  Rock-A-Cha
                                             'bpm'  124.6
                                    'search_title'  'a':2 'cha':3 'rock':1 'rockacha':4
                                   'search_artist'  'ashby':2 'irving':1
                                  'search_release'  'greaser':1 'instrumentals':2 'vol':3,4
                                     'search_rest'  'bobby':5 'garage':2 'gregg':6 'pop':9 'punk':1 'rock':8 'stoner':4 'surf':3 'va':7
                                    'search_combo'  'a':2A 'ashby':6B 'bobby':15 'cha':3A 'garage':12 'greaser':7C 'gregg':16 'instrumentals':8C 'irving':5B 'pop':19 'punk':11 'rock':1A,18 'rockacha':4A 'stoner':14 'surf':13 'va':17 'vol':9C,10C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'rhythm and blues', 'guitarist', 'all']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736909.3754077  (2021-05-11 14:41:49)
                             'size'  2353216