======================== unified (from filesystem) ========================
                                         'bitrate'  '258.964'
                                        'duration'  '269'
                                          'artist'  'Lovage'
                                     'text_people'  ''
                                         'release'  'Music to Make Love to Your Old Lady By'
                                           'title'  'Stroker Ace'
                                           'quals'  "['q-bass-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'trip hop,downtempo,electronic,sexy'
                                             'bpm'  '106.6'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:Cover Image'                                  type PictureType.COVER_FRONT (Cover (front)) b'Cover Image'
                                     
'TALB' (Album/Movie/Show title)                     'Music to Make Love to Your Old Lady By'
'TBPM' (BPM (beats per minute))                     '106.6'
'TCON' (Content type, a.k.a. Genre)                 'trip hop,downtempo,electronic,sexy'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Stroker Ace'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lovage'
'TPE2' (Band/orchestra/accompaniment)               'Lovage'
'TRCK' (Track number/Position in set)               '15'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.25 dB'
'TXXX:replaygain_track_peak'                        '0.466991'

========================== row from database ==========================
                                              'id'  1538832
                                            'path'  /data/Music/Other/PrevSet/[0yay1]/Lovage/15 - Stroker Ace.mp3
                                         'working'  None
                                         'bitrate'  259
                                    'duration_sec'  269
                                           'genre'  trip hop,downtempo,electronic,sexy
                                        'filesize'  8764686
                                           'mtime'  1662800237
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [0yay1] 15 trip hop,downtempo,electronic,sexy
                                      'tag_artist'  Lovage
                                     'tag_release'  Music to Make Love to Your Old Lady By
                                       'tag_title'  Stroker Ace
                                             'bpm'  106.6
                                    'search_title'  'ace':2 'stroker':1
                                   'search_artist'  'lovage':1
                                  'search_release'  'by':8 'lady':7 'love':4 'make':3 'music':1 'old':6 'to':2 'your':5
                                     'search_rest'  '0yay1':2,3 'downtempo':6,10 'electronic':7,11 'hop':5,9 'prev':13 'prevset':1 'set':14 'sexy':8,12 'trip':4
                                    'search_combo'  '0yay1':13,14 'ace':2A 'by':11C 'downtempo':17,21 'electronic':18,22 'hop':16,20 'lady':10C 'lovage':3B 'love':7C 'make':6C 'music':4C 'old':9C 'prev':24 'prevset':12 'set':25 'sexy':19,23 'stroker':1A 'to':5C 'trip':15 'your':8C
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['q-bass-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2']
                                      'lastfmtags'  []
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800236.6629739  (2022-09-10 10:57:16)
                             'size'  8764686