======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '264'
                                          'artist'  "Les Mc'keown"
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "She's A Lady"
                                           'quals'  "['q-bass-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'pop,eighties,zomgeighties'
                                             'bpm'  '123.9'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '123.9'
'TCON' (Content type, a.k.a. Genre)                 'pop,eighties,zomgeighties'
'TIT2' (Title/songname/content description)         "She's A Lady"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               "Les Mc'keown"
'TRCK' (Track number/Position in set)               '7'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.62 dB'
'TXXX:replaygain_track_peak'                        '0.628324'

========================== row from database ==========================
                                              'id'  1538385
                                            'path'  /data/Music/Other/PrevSet/[7zomgeighties]/Les Mc'keown - She's A Lady.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  264
                                           'genre'  pop,eighties,zomgeighties
                                        'filesize'  6353249
                                           'mtime'  1662800501
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [7zomgeighties] pop,eighties,zomgeighties
                                      'tag_artist'  Les Mc'keown
                                     'tag_release'  None
                                       'tag_title'  She's A Lady
                                             'bpm'  123.9
                                    'search_title'  'a':4 'lady':5 's':2 'she':1 'shes':3
                                   'search_artist'  'keown':3 'les':1 'mc':2 'mckeown':4
                                  'search_release'  
                                     'search_rest'  '7zomgeighties':2,3 'eighties':5,8 'pop':4,7 'prev':10 'prevset':1 'set':11 'zomgeighties':6,9
                                    'search_combo'  '7zomgeighties':11,12 'a':4A 'eighties':14,17 'keown':8B 'lady':5A 'les':6B 'mc':7B 'mckeown':9B 'pop':13,16 'prev':19 'prevset':10 's':2A 'set':20 'she':1A 'shes':3A 'zomgeighties':15,18
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['q-bass-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800500.7424493  (2022-09-10 11:01:40)
                             'size'  6353249