======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '247'
                                          'artist'  'Frida Snell'
                                     'text_people'  ''
                                         'release'  "You Can't Judge a Song By Its Cover"
                                           'title'  'Bullet with Butterfly Wings'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-1', "
 "'q-busy-3', 'q-grit-2', 'q-play-3', 'Q-PIANO-3', 'q-chart-2', 'q-drums-1', "
 "'q-other-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  ("['swedish', 'singer-songwriter', 'female vocalists', 'pop', 'scandinavian "
 "girls']")
                                     'discogstags'  "['pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'set-cover or covered-styled;set-cover or covered'
                                             'bpm'  '107.095'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'POPM:no@email'                                     POPM(email='no@email', rating=118, count=0)
'TALB' (Album/Movie/Show title)                     "You Can't Judge a Song By Its Cover"
'TBPM' (BPM (beats per minute))                     '107.095'
'TCON' (Content type, a.k.a. Genre)                 ['set-cover or covered-styled', 'set-cover or covered']
'TIT2' (Title/songname/content description)         'Bullet with Butterfly Wings'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Frida Snell'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:DATE'                                         '2002'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'pop'
'TXXX:lastfmtags'                                   ['swedish',
 'singer-songwriter',
 'female vocalists',
 'pop',
 'scandinavian girls']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.93 dB'
'TXXX:replaygain_track_peak'                        '0.505860'

========================== row from database ==========================
                                              'id'  1529643
                                            'path'  /data/Music/Bulk/00poprockelectronic/you can_t judge a song by its cover/-00-Frida Snell-Bullet with Butterfly Wings.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  247
                                           'genre'  set-cover or covered-styled;set-cover or covered
                                        'filesize'  3966848
                                           'mtime'  1638540246
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic you can_t judge song by its cover 00 set cover or covered styled;set cover or covered
                                      'tag_artist'  Frida Snell
                                     'tag_release'  You Can't Judge a Song By Its Cover
                                       'tag_title'  Bullet with Butterfly Wings
                                             'bpm'  107.095
                                    'search_title'  'bullet':1 'butterfly':3 'wings':4 'with':2
                                   'search_artist'  'frida':1 'snell':2
                                  'search_release'  'a':6 'by':8 'can':2 'cant':4 'cover':10 'its':9 'judge':5 'song':7 't':3 'you':1
                                     'search_rest'  '00':10 '00poprockelectronic':1 'by':7 'can':3 'cover':9 'covered':13 'its':8 'judge':5 'or':12 'set':11,15,17 'song':6 'styled':14,16 't':4 'you':2
                                    'search_combo'  '00':26 '00poprockelectronic':17 'a':12C 'bullet':1A 'butterfly':3A 'by':14C,23 'can':8C,19 'cant':10C 'cover':16C,25 'covered':29 'frida':5B 'its':15C,24 'judge':11C,21 'or':28 'set':27,31,33 'snell':6B 'song':13C,22 'styled':30,32 't':9C,20 'wings':4A 'with':2A 'you':7C,18
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['swedish', 'singer-songwriter', 'female vocalists', 'pop', 'scandinavian girls']
                                        'tag_date'  2002
                                     'discogstags'  ['pop']

============================== file details ==============================
                                           'mtime'  1638540246.1236672  (2021-12-03 15:04:06)
                             'size'  3966848