======================== unified (from filesystem) ========================
                                         'bitrate'  '241.002'
                                        'duration'  '308'
                                          'artist'  'Air Supply'
                                     'text_people'  ''
                                         'release'  'Ghostbusters'
                                           'title'  'I Can Wait Forever'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-PLAY-2', 'q-syn-2', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'Q-PIANO-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-vocals-3', 'q-mixbeat-1']")
                                      'lastfmtags'  "['pop', 'soft rock', 'rock', '80s', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '143.925'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ghostbusters'
'TBPM' (BPM (beats per minute))                     '143.925'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'I Can Wait Forever'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Air Supply'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['pop', 'soft rock', 'rock', '80s', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.07 dB'
'TXXX:replaygain_track_peak'                        '0.664356'

========================== row from database ==========================
                                              'id'  263252
                                            'path'  /data/Music/Bulk/0soundtrack/Ghostbusters/05 - I Can Wait Forever - Air Supply.mp3
                                         'working'  None
                                         'bitrate'  241
                                    'duration_sec'  308
                                           'genre'  soundtrack-video
                                        'filesize'  9309024
                                           'mtime'  1620333528
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack 05 soundtrack video
                                      'tag_artist'  Air Supply
                                     'tag_release'  Ghostbusters
                                       'tag_title'  I Can Wait Forever
                                             'bpm'  143.925
                                    'search_title'  'can':2 'forever':4 'i':1 'wait':3
                                   'search_artist'  'air':1 'supply':2
                                  'search_release'  'ghostbusters':1
                                     'search_rest'  '0soundtrack':1 'soundtrack':2 'video':3
                                    'search_combo'  '0soundtrack':8 'air':5B 'can':2A 'forever':4A 'ghostbusters':7C 'i':1A 'soundtrack':9 'supply':6B 'video':10 'wait':3A
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-PLAY-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['pop', 'soft rock', 'rock', '80s', 'classic rock']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620333527.9645793  (2021-05-06 22:38:47)
                             'size'  9309024