======================== unified (from filesystem) ========================
                                         'bitrate'  '181.952'
                                        'duration'  '284'
                                          'artist'  'Foreigner'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Waiting For A Girl Like You'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'rock', 'hard rock', 'pop', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1982'
                                        'comments'  ''
                                           'genre'  'set-pl-billboard'
                                             'bpm'  '101.1'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'V.A.'
'TBPM' (BPM (beats per minute))                     '101.1'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-billboard'
'TDRC' (Recording time)                             '1982'
'TIT2' (Title/songname/content description)         'Waiting For A Girl Like You'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'Foreigner'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'rock', 'hard rock', 'pop', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.65 dB'
'TXXX:replaygain_track_peak'                        '0.710283'

========================== row from database ==========================
                                              'id'  1390363
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Foreigner - Waiting For A Girl Like You.mp3
                                         'working'  None
                                         'bitrate'  182
                                    'duration_sec'  284
                                           'genre'  set-pl-billboard
                                        'filesize'  6464023
                                           'mtime'  1652397956
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] set pl billboard
                                      'tag_artist'  Foreigner
                                     'tag_release'  None
                                       'tag_title'  Waiting For A Girl Like You
                                             'bpm'  101.1
                                    'search_title'  'a':3 'for':2 'girl':4 'like':5 'waiting':1 'you':6
                                   'search_artist'  'foreigner':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'billboard':9 'files':5,6 'loose':3,4 'pl':8 'set':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':8 'a':3A 'billboard':16 'files':12,13 'for':2A 'foreigner':7B 'girl':4A 'like':5A 'loose':10,11 'pl':15 'set':14 'unsorted':9 'waiting':1A 'you':6A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4B
                                           'quals'  ['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['80s', 'rock', 'hard rock', 'pop', 'classic rock']
                                        'tag_date'  1982
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397956.4541132  (2022-05-13 01:25:56)
                             'size'  6464023