======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '461'
                                          'artist'  'EZ Rollers'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Tough At the Top (Full Vocal)'
                                           'quals'  "['q-bass-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'Drum & Bass'
                                             'bpm'  '85.0'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:eng'                            'www.beefchow.cjb.net'
'TBPM' (BPM (beats per minute))                     '85.0'
'TCON' (Content type, a.k.a. Genre)                 'Drum & Bass'
'TIT2' (Title/songname/content description)         'Tough At the Top (Full Vocal)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'EZ Rollers'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'

========================== row from database ==========================
                                              'id'  1538365
                                            'path'  /data/Music/Other/PrevSet/[0yay1]/zUnsorted/E-Z Rollers -Tough at the Top [Full Vocal Mix].mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  461
                                           'genre'  Drum & Bass
                                        'filesize'  9248231
                                           'mtime'  1662800306
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [0yay1] zUnsorted at [Full Mix] Drum & Bass
                                      'tag_artist'  EZ Rollers
                                     'tag_release'  None
                                       'tag_title'  Tough At the Top (Full Vocal)
                                             'bpm'  85.0
                                    'search_title'  'at':2 'full':5,6 'the':3 'top':4 'tough':1 'vocal':7,8
                                   'search_artist'  'ez':1 'rollers':2
                                  'search_release'  
                                     'search_rest'  '0yay1':2,3 'at':5 'bass':11 'drum':10 'full':6,7 'mix':8,9 'prev':12 'prevset':1 'set':13 'unsorted':15 'z':14 'zunsorted':4
                                    'search_combo'  '0yay1':12,13 'at':2A,15 'bass':21 'drum':20 'ez':9B 'full':5A,6A,16,17 'mix':18,19 'prev':22 'prevset':11 'rollers':10B 'set':23 'the':3A 'top':4A 'tough':1A 'unsorted':25 'vocal':7A,8A 'z':24 'zunsorted':14
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['q-bass-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800306.252727  (2022-09-10 10:58:26)
                             'size'  9248231