======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '186'
                                          'artist'  'Friends'
                                     'text_people'  ''
                                         'release'  'Friend Crush 7"'
                                           'title'  'Friend Crush'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['indiepop', 'indie', 'pop', 'uk', '80s', 'indie pop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '2'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '130.903'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 0000078A 00000758 00002438 000028C0 00015658 000286A1 00008949 00008AE0 '
 '0000F449 0001E51A')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000006F0 00000000007DC100 00000000 0071F783 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Friend Crush 7"'
'TBPM' (BPM (beats per minute))                     '130.903'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2011'
'TENC' (Encoded by)                                 'iTunes 10.1.1.4'
'TIT2' (Title/songname/content description)         'Friend Crush'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Friends'
'TPE2' (Band/orchestra/accompaniment)               'Friends'
'TRCK' (Track number/Position in set)               '1/2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['indiepop', 'indie', 'pop', 'uk', '80s', 'indie pop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+11.52 dB'
'TXXX:replaygain_track_peak'                        '0.135723'

========================== row from database ==========================
                                              'id'  1317843
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/friends_friendcrush.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  186
                                           'genre'  electronic-unsorted
                                        'filesize'  7821466
                                           'mtime'  1620573138
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] friends_friendcrush electronic unsorted
                                      'tag_artist'  Friends
                                     'tag_release'  Friend Crush 7"
                                       'tag_title'  Friend Crush
                                             'bpm'  130.903
                                    'search_title'  'crush':2 'friend':1
                                   'search_artist'  'friends':1
                                  'search_release'  '7':3 'crush':2 'friend':1
                                     'search_rest'  '00poprockelectronic':1 'electronic':9 'files':5,6 'friendcrush':8 'friends':7 'loose':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':7 '7':6C 'crush':2A,5C 'electronic':15 'files':11,12 'friend':1A,4C 'friendcrush':14 'friends':3B,13 'loose':9,10 'unsorted':8
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indiepop', 'indie', 'pop', 'uk', '80s', 'indie pop']
                                        'tag_date'  2011
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620573137.8837037  (2021-05-09 17:12:17)
                             'size'  7821466