======================== unified (from filesystem) ========================
                                         'bitrate'  '188.699'
                                        'duration'  '321'
                                          'artist'  'Snarky Puppy'
                                     'text_people'  ''
                                         'release'  'Bring Us The Bright'
                                           'title'  'Strange Dream'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['jazz fusion', 'jazz', 'instrumental', 'fusion', 'ropeadope', 'instrumental "
 "fusion']")
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '8'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-soft-smooth'
                                             'bpm'  '102.127'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Bring Us The Bright'
'TBPM' (BPM (beats per minute))                     '102.127'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-soft-smooth'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Strange Dream'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Snarky Puppy'
'TRCK' (Track number/Position in set)               '5/8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:iTunes_CDDB_IDs'                              '8+1C30C261D8F81567402B4A27F729B60F+11825927'
'TXXX:lastfmtags'                                   ['jazz fusion',
 'jazz',
 'instrumental',
 'fusion',
 'ropeadope',
 'instrumental fusion']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'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'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.39 dB'
'TXXX:replaygain_track_peak'                        '0.603689'
'TXXX:tempo'                                        '00000 BPM'

========================== row from database ==========================
                                              'id'  1270663
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Snarky puppy/Bring Us The Bright/05 Strange Dream.mp3
                                         'working'  None
                                         'bitrate'  188
                                    'duration_sec'  321
                                           'genre'  prerock-jb-jazz-soft-smooth
                                        'filesize'  7576092
                                           'mtime'  1620535137
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country puppy 05 prerock jb jazz soft smooth
                                      'tag_artist'  Snarky Puppy
                                     'tag_release'  Bring Us The Bright
                                       'tag_title'  Strange Dream
                                             'bpm'  102.127
                                    'search_title'  'dream':2 'strange':1
                                   'search_artist'  'puppy':2 'snarky':1
                                  'search_release'  'bright':4 'bring':1 'the':3 'us':2
                                     'search_rest'  'country':4 'exotica':2 'jazz':1 'jb':7 'oldies':3 'prerock':6 'puppy':5 'smooth':9 'soft':8
                                    'search_combo'  'bright':8C 'bring':5C 'country':12 'dream':2A 'exotica':10 'jazz':9 'jb':15 'oldies':11 'prerock':14 'puppy':4B,13 'smooth':17 'snarky':3B 'soft':16 'strange':1A 'the':7C 'us':6C
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jazz fusion', 'jazz', 'instrumental', 'fusion', 'ropeadope', 'instrumental fusion']
                                        'tag_date'  2008
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620535137.155257  (2021-05-09 06:38:57)
                             'size'  7576092