======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '234'
                                          'artist'  'Black Heat'
                                     'text_people'  ''
                                         'release'  'What It Is! Funky Soul And Rare Grooves 1967-1977 [Disc 4]'
                                           'title'  'Wanaoh'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', "
 "'q-busy-3', 'q-grit-2', 'q-play-3', 'Q-OLDST-2', 'q-chart-2', 'q-drums-3', "
 "'q-other-3', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['funk', 'soul', 'jazz', 'groove', '70s']"
                                     'discogstags'  "['funk / soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '22'
                                            'date'  '1972'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '137.665'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Cleaned by TuneUp!'
'COMM:ID3v1 Comment:XXX'                            'Cleaned by TuneUp!'
'COMM:iTunNORM:eng'                                 (' 00000ECF 00001265 00009D76 00007A71 0002FF58 0002FF58 0000808B 00008232 '
 '00026F5E 00022682')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 0000093C 00000000009D9D34 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            '56127A16+354934+22+150+12672+24697+44577+56366+73933+87837+104847+116661+144159+159429+175121+187296+203535+221204+233519+245526+269425+283546+296388+320468+336577'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '5'
'TALB' (Album/Movie/Show title)                     'What It Is! Funky Soul And Rare Grooves 1967-1977 [Disc 4]'
'TBPM' (BPM (beats per minute))                     '137.665'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1972'
'TENC' (Encoded by)                                 'iTunes v6.0.1.3'
'TIT2' (Title/songname/content description)         'Wanaoh'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Black Heat'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '4/4'
'TRCK' (Track number/Position in set)               '5/22'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'funk / soul'
'TXXX:lastfmtags'                                   ['funk', 'soul', 'jazz', 'groove', '70s']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.54 dB'
'TXXX:replaygain_track_peak'                        '0.426269'

========================== row from database ==========================
                                              'id'  1336478
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/[05] black heat - wanaoh.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  234
                                           'genre'  funk or soul
                                        'filesize'  9428857
                                           'mtime'  1622756541
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] [05] black heat wanaoh funk or soul
                                      'tag_artist'  Black Heat
                                     'tag_release'  What It Is! Funky Soul And Rare Grooves 1967-1977 [Disc 4]
                                       'tag_title'  Wanaoh
                                             'bpm'  137.665
                                    'search_title'  'wanaoh':1
                                   'search_artist'  'black':1 'heat':2
                                  'search_release'  '1967':9 '19671977':11 '1977':10 '4':14,15 'and':6 'disc':12,13 'funky':4 'grooves':8 'is':3 'it':2 'rare':7 'soul':5 'what':1
                                     'search_rest'  '00poprockelectronic':1 '05':7,8 'black':9 'files':5,6 'funk':12 'heat':10 'loose':3,4 'or':13 'soul':14 'unsorted':2 'wanaoh':11
                                    'search_combo'  '00poprockelectronic':19 '05':25,26 '1967':12C '19671977':14C '1977':13C '4':17C,18C 'and':9C 'black':2B,27 'disc':15C,16C 'files':23,24 'funk':30 'funky':7C 'grooves':11C 'heat':3B,28 'is':6C 'it':5C 'loose':21,22 'or':31 'rare':10C 'soul':8C,32 'unsorted':20 'wanaoh':1A,29 'what':4C
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['funk', 'soul', 'jazz', 'groove', '70s']
                                        'tag_date'  1972
                                     'discogstags'  ['funk / soul']

============================== file details ==============================
                                           'mtime'  1622756541.1865678  (2021-06-03 23:42:21)
                             'size'  9428857