======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '185'
                                          'artist'  'Pazant Brothers'
                                     'text_people'  ''
                                         'release'  'Bongodelica - Compiliation'
                                           'title'  'Chick a Boom'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['funk', 'soul', 'drjazzmrfunkmusic', 'all']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '21'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '94.1'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Bongodelica - Compiliation'
'TBPM' (BPM (beats per minute))                     '94.1'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Chick a Boom'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pazant Brothers'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '21'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['funk', 'soul', 'drjazzmrfunkmusic', 'all']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.75 dB'
'TXXX:replaygain_track_peak'                        '0.518253'

========================== row from database ==========================
                                              'id'  1278844
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/Jimmy Castor - Bongodelica/Pazant Brothers - Chick a Boom.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  185
                                           'genre'  funk or soul
                                        'filesize'  2963288
                                           'mtime'  1628357862
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul Jimmy Castor funk or soul
                                      'tag_artist'  Pazant Brothers
                                     'tag_release'  Bongodelica - Compiliation
                                       'tag_title'  Chick a Boom
                                             'bpm'  94.1
                                    'search_title'  'a':2 'boom':3 'chick':1
                                   'search_artist'  'brothers':2 'pazant':1
                                  'search_release'  'bongodelica':1 'compiliation':2
                                     'search_rest'  'castor':5 'funk':2 'jimmy':4 'or':6 'soul':3 'swing':1
                                    'search_combo'  'a':2A 'bongodelica':6C 'boom':3A 'brothers':5B 'castor':12 'chick':1A 'compiliation':7C 'funk':9 'jimmy':11 'or':13 'pazant':4B 'soul':10 'swing':8
                                    'tag_tracknum'  21
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['funk', 'soul', 'drjazzmrfunkmusic', 'all']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357862.240108  (2021-08-07 19:37:42)
                             'size'  2963288