======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '193'
                                          'artist'  'Jacqueline Jones'
                                     'text_people'  ''
                                         'release'  "Stone Soul-San Francisco's Loadstone Label"
                                           'title'  'My Sweet Lover'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-JZFKS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['funk / soul', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '24'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '127.927'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 000008BC 00000685 00002076'
'COMM:iTunNORM:eng'                                 (' 000008BC 00000685 00002076 00001613 00015FBE 0002230E 00006E20 000062C3 '
 '00027117 00015FBE')
'TALB' (Album/Movie/Show title)                     "Stone Soul-San Francisco's Loadstone Label"
'TBPM' (BPM (beats per minute))                     '127.927'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'My Sweet Lover'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jacqueline Jones'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '24'
'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', 'soul']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.21 dB'
'TXXX:replaygain_track_peak'                        '0.523314'

========================== row from database ==========================
                                              'id'  1524163
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/Stone Soul-San Francisco_s Loadstone Label/24 - Jacqueline Jones - My Sweet Lover.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  193
                                           'genre'  funk or soul
                                        'filesize'  4174314
                                           'mtime'  1628357670
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul Francisco_s 24 funk or soul
                                      'tag_artist'  Jacqueline Jones
                                     'tag_release'  Stone Soul-San Francisco's Loadstone Label
                                       'tag_title'  My Sweet Lover
                                             'bpm'  127.927
                                    'search_title'  'lover':3 'my':1 'sweet':2
                                   'search_artist'  'jacqueline':1 'jones':2
                                  'search_release'  'francisco':5 'franciscos':7 'label':9 'loadstone':8 's':6 'san':3 'soul':2 'soulsan':4 'stone':1
                                     'search_rest'  '24':6 'francisco':4 'funk':2 'or':7 's':5 'soul':3 'swing':1
                                    'search_combo'  '24':20 'francisco':10C,18 'franciscos':12C 'funk':16 'jacqueline':4B 'jones':5B 'label':14C 'loadstone':13C 'lover':3A 'my':1A 'or':21 's':11C,19 'san':8C 'soul':7C,17 'soulsan':9C 'stone':6C 'sweet':2A 'swing':15
                                    'tag_tracknum'  24
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1970
                                     'discogstags'  ['funk / soul', 'soul']

============================== file details ==============================
                                           'mtime'  1628357669.5028958  (2021-08-07 19:34:29)
                             'size'  4174314