======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '126'
                                          'artist'  'Bubblegum Mf 5'
                                     'text_people'  ''
                                         'release'  'Bubblegum Mf 5'
                                           'title'  "Ice Cream - Chewin' Gum Kid"
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '30'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-th-candy'
                                             'bpm'  '85.742'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Bubblegum Mf 5'
'TBPM' (BPM (beats per minute))                     '85.742'
'TCON' (Content type, a.k.a. Genre)                 'set-th-candy'
'TIT2' (Title/songname/content description)         "Ice Cream - Chewin' Gum Kid"
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bubblegum Mf 5'
'TRCK' (Track number/Position in set)               '2/30'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.98 dB'
'TXXX:replaygain_track_peak'                        '0.431208'

========================== row from database ==========================
                                              'id'  1518166
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/sweets/Ice Cream - Chewin_ Gum Kid.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  126
                                           'genre'  set-th-candy
                                        'filesize'  3043327
                                           'mtime'  1620343115
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country sweets Chewin_ set th candy
                                      'tag_artist'  Bubblegum Mf 5
                                     'tag_release'  Bubblegum Mf 5
                                       'tag_title'  Ice Cream - Chewin' Gum Kid
                                             'bpm'  85.742
                                    'search_title'  'chewin':3,4 'cream':2 'gum':5 'ice':1 'kid':6
                                   'search_artist'  '5':3 'bubblegum':1 'mf':2
                                  'search_release'  '5':3 'bubblegum':1 'mf':2
                                     'search_rest'  'candy':9 'chewin':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'set':7 'sweets':5 'th':8
                                    'search_combo'  '5':9B,12C 'bubblegum':7B,10C 'candy':21 'chewin':3A,4A,18 'country':16 'cream':2A 'exotica':14 'gum':5A 'ice':1A 'jazz':13 'kid':6A 'mf':8B,11C 'oldies':15 'set':19 'sweets':17 'th':20
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343115.468501  (2021-05-07 01:18:35)
                             'size'  3043327