======================== unified (from filesystem) ========================
                                         'bitrate'  '227.459'
                                        'duration'  '204'
                                          'artist'  'The Chantays'
                                     'text_people'  ''
                                         'release'  'Waiting For The Tide'
                                           'title'  'Nightsand'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['surf', 'guitar', '60s', 'surf rock', 'instrumental', 'rock']"
                                     'discogstags'  "['surf', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'rock-pop-surf'
                                             'bpm'  '117.603'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Waiting For The Tide'
'TBPM' (BPM (beats per minute))                     '117.603'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-surf'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Nightsand'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Chantays'
'TRCK' (Track number/Position in set)               '10'
'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:discogstags'                                  ['surf', 'rock']
'TXXX:lastfmtags'                                   ['surf', 'guitar', '60s', 'surf rock', 'instrumental', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                        '+0.99 dB'
'TXXX:replaygain_track_peak'                        '0.937370'

========================== row from database ==========================
                                              'id'  1417553
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/The Chantays - Chantays 1997 Waiting For The Tide (Bob Welch)/10 Nightsand.mp3
                                         'working'  None
                                         'bitrate'  227
                                    'duration_sec'  204
                                           'genre'  rock-pop-surf
                                        'filesize'  5818368
                                           'mtime'  1620737160
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner 1997 (Bob Welch) 10 rock pop surf
                                      'tag_artist'  The Chantays
                                     'tag_release'  Waiting For The Tide
                                       'tag_title'  Nightsand
                                             'bpm'  117.603
                                    'search_title'  'nightsand':1
                                   'search_artist'  'chantays':2 'the':1
                                  'search_release'  'for':2 'the':3 'tide':4 'waiting':1
                                     'search_rest'  '1997':5 'bob':6,7 'garage':2 'pop':11 'punk':1 'rock':10 'stoner':4 'surf':3 'welch':8,9
                                    'search_combo'  '1997':12 'bob':13,14 'chantays':3B 'for':5C 'garage':9 'nightsand':1A 'pop':18 'punk':8 'rock':17 'stoner':11 'surf':10 'the':2B,6C 'tide':7C 'waiting':4C 'welch':15,16
                                    'tag_tracknum'  10
                                      '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-2', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['surf', 'guitar', '60s', 'surf rock', 'instrumental', 'rock']
                                        'tag_date'  1997
                                     'discogstags'  ['surf', 'rock']

============================== file details ==============================
                                           'mtime'  1620737160.4749384  (2021-05-11 14:46:00)
                             'size'  5818368