======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '168'
                                          'artist'  'Sly & the Family Stone'
                                     'text_people'  ''
                                         'release'  'Dance to the Music'
                                           'title'  'Higher'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', 'Q-JZFKS-4', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['60s', 'rhythm and blues', 'soul', 'funk', 'rock']"
                                     'discogstags'  "['funk / soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'funk or soul-funk'
                                             'bpm'  '110.7'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 000006F7 000008B2 00002990 000020C4 00015FA7 00015FA7 0000594C 00004FC6 '
 '0000EA60 00009C6E')
'TALB' (Album/Movie/Show title)                     'Dance to the Music'
'TBPM' (BPM (beats per minute))                     '110.7'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul-funk'
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'Higher'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sly & the Family Stone'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '4'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'funk / soul'
'TXXX:lastfmtags'                                   ['60s', 'rhythm and blues', 'soul', 'funk', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.31 dB'
'TXXX:replaygain_track_peak'                        '0.501404'

========================== row from database ==========================
                                              'id'  1113748
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/sly & family stone -1968 - dance to the music/02 - sly & family stone - higher.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  168
                                           'genre'  funk or soul-funk
                                        'filesize'  4340005
                                           'mtime'  1620665772
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul sly family stone 1968 dance music 02 sly family stone higher funk or soul funk
                                      'tag_artist'  Sly & the Family Stone
                                     'tag_release'  Dance to the Music
                                       'tag_title'  Higher
                                             'bpm'  110.7
                                    'search_title'  'higher':1
                                   'search_artist'  'family':3 'sly':1 'stone':4 'the':2
                                  'search_release'  'dance':1 'music':4 'the':3 'to':2
                                     'search_rest'  '1968':7 'dance':8 'family':5 'funk':2 'higher':10 'music':9 'or':11 'sly':4 'soul':3 'stone':6 'swing':1
                                    'search_combo'  '1968':16 'dance':6C,17 'family':4B,14 'funk':11 'higher':1A,19 'music':9C,18 'or':20 'sly':2B,13 'soul':12 'stone':5B,15 'swing':10 'the':3B,8C 'to':7C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-4', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['60s', 'rhythm and blues', 'soul', 'funk', 'rock']
                                        'tag_date'  1968
                                     'discogstags'  ['funk / soul']

============================== file details ==============================
                                           'mtime'  1620665772.2754717  (2021-05-10 18:56:12)
                             'size'  4340005