======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '195'
                                          'artist'  'David Ruffin'
                                     'text_people'  ''
                                         'release'  "70's Dancefloor Ultimate Collection - CD4"
                                           'title'  'Walk Away From Love'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-2', 'Q-HHRNBTT-2', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['soul', 'motown', 'funk', 'rhythm and blues', 'david ruffin']"
                                     'discogstags'  "['funk / soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0405'
                                      'tracktotal'  '20'
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '100.8'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Freak37'
'TALB' (Album/Movie/Show title)                     "70's Dancefloor Ultimate Collection - CD4"
'TBPM' (BPM (beats per minute))                     '100.8'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Walk Away From Love'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'David Ruffin'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '4'
'TRCK' (Track number/Position in set)               '0405/20'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'funk / soul'
'TXXX:lastfmtags'                                   ['soul', 'motown', 'funk', 'rhythm and blues', 'david ruffin']
'TXXX:other'                                        'Various'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-7.93 dB'
'TXXX:replaygain_track_peak'                        '1.025710'

========================== row from database ==========================
                                              'id'  1524911
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/Various Artists - 100 Hits - 70_s Dancefloor (The Ultimate Collection) 2017 - @192/0405 - Various - Walk Away From Love - (David Ruffin).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  195
                                           'genre'  prerock-jb-blues
                                        'filesize'  4812757
                                           'mtime'  1620403709
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul Various Artists 100 Hits 70_s (The Collection) 2017 @192 0405 Various (David Ruffin) prerock jb blues
                                      'tag_artist'  David Ruffin
                                     'tag_release'  70's Dancefloor Ultimate Collection - CD4
                                       'tag_title'  Walk Away From Love
                                             'bpm'  100.8
                                    'search_title'  'away':2 'from':3 'love':4 'walk':1
                                   'search_artist'  'david':1 'ruffin':2
                                  'search_release'  '70':1 '70s':3 'cd4':7 'collection':6 'dancefloor':4 's':2 'ultimate':5
                                     'search_rest'  '0405':16 '100':6 '192':15 '2017':14 '70':8 'artists':5 'blues':23 'collection':12,13 'david':17,18 'funk':2 'hits':7 'jb':22 'prerock':21 'ruffin':19,20 's':9 'soul':3 'swing':1 'the':10,11 'various':4
                                    'search_combo'  '0405':29 '100':19 '192':28 '2017':27 '70':7C,21 '70s':9C 'artists':18 'away':2A 'blues':36 'cd4':13C 'collection':12C,25,26 'dancefloor':10C 'david':5B,30,31 'from':3A 'funk':15 'hits':20 'jb':35 'love':4A 'prerock':34 'ruffin':6B,32,33 's':8C,22 'soul':16 'swing':14 'the':23,24 'ultimate':11C 'various':17 'walk':1A
                                    'tag_tracknum'  405
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['soul', 'motown', 'funk', 'rhythm and blues', 'david ruffin']
                                        'tag_date'  1975
                                     'discogstags'  ['funk / soul']

============================== file details ==============================
                                           'mtime'  1620403709.3232017  (2021-05-07 18:08:29)
                             'size'  4812757