======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '194'
                                          'artist'  'Sly & the Family Stone'
                                     'text_people'  ''
                                         'release'  'Dance to the Music'
                                           'title'  "Don't Burn Baby"
                                           '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'  '8'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'funk or soul-funk'
                                             'bpm'  '119.8'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 000001D1 00000386 00000B23 00000C38 00024A07 00022325 000042E9 000043CB '
 '0000C367 00022325')
'TALB' (Album/Movie/Show title)                     'Dance to the Music'
'TBPM' (BPM (beats per minute))                     '119.8'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul-funk'
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         "Don't Burn Baby"
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sly & the Family Stone'
'TRCK' (Track number/Position in set)               '8'
'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'                        '+0.25 dB'
'TXXX:replaygain_track_peak'                        '0.659894'

========================== row from database ==========================
                                              'id'  1507696
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/sly & family stone -1968 - dance to the music/08 - sly & family stone - don_t burn baby.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  194
                                           'genre'  funk or soul-funk
                                        'filesize'  4959754
                                           'mtime'  1620665774
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul sly family stone 1968 dance music 08 sly family stone don_t burn baby funk or soul funk
                                      'tag_artist'  Sly & the Family Stone
                                     'tag_release'  Dance to the Music
                                       'tag_title'  Don't Burn Baby
                                             'bpm'  119.8
                                    'search_title'  'baby':5 'burn':4 'don':1 'dont':3 't':2
                                   'search_artist'  'family':3 'sly':1 'stone':4 'the':2
                                  'search_release'  'dance':1 'music':4 'the':3 'to':2
                                     'search_rest'  '1968':7 'baby':13 'burn':12 'dance':8 'don':10 'family':5 'funk':2 'music':9 'or':14 'sly':4 'soul':3 'stone':6 'swing':1 't':11
                                    'search_combo'  '1968':20 'baby':5A,26 'burn':4A,25 'dance':10C,21 'don':1A,23 'dont':3A 'family':8B,18 'funk':15 'music':13C,22 'or':27 'sly':6B,17 'soul':16 'stone':9B,19 'swing':14 't':2A,24 'the':7B,12C 'to':11C
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  7B
                                           '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'  1620665774.429463  (2021-05-10 18:56:14)
                             'size'  4959754