======================== unified (from filesystem) ========================
                                         'bitrate'  '178.616'
                                        'duration'  '186'
                                          'artist'  'Spinners'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "It's A Shame"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soul', 'motown', '70s', 'funk', '7soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'funk or soul;set-pl-billboard'
                                             'bpm'  '132.966'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '132.966'
'TCON' (Content type, a.k.a. Genre)                 ['funk or soul', 'set-pl-billboard']
'TIT2' (Title/songname/content description)         "It's A Shame"
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Spinners'
'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:lastfmtags'                                   ['soul', 'motown', '70s', 'funk', '7soul']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.57 dB'
'TXXX:replaygain_track_peak'                        '0.605463'

========================== row from database ==========================
                                              'id'  1507545
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Soul/Spinners - It_s A Shame.mp3
                                         'working'  None
                                         'bitrate'  178
                                    'duration_sec'  186
                                           'genre'  funk or soul;set-pl-billboard
                                        'filesize'  4166900
                                           'mtime'  1628357620
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Soul It_s funk or soul;set pl billboard
                                      'tag_artist'  Spinners
                                     'tag_release'  None
                                       'tag_title'  It's A Shame
                                             'bpm'  132.966
                                    'search_title'  'a':4 'it':1 'its':3 's':2 'shame':5
                                   'search_artist'  'spinners':1
                                  'search_release'  
                                     'search_rest'  'billboard':15 'country':4 'exotica':2 'funk':8 'it':6 'jazz':1 'oldies':3 'or':9 'pl':14 's':7 'set':11,13 'soul':5,10,12
                                    'search_combo'  'a':4A 'billboard':21 'country':10 'exotica':8 'funk':14 'it':1A,12 'its':3A 'jazz':7 'oldies':9 'or':15 'pl':20 's':2A,13 'set':17,19 'shame':5A 'soul':11,16,18 'spinners':6B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2A
                                           '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-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['soul', 'motown', '70s', 'funk', '7soul']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357619.5511813  (2021-08-07 19:33:39)
                             'size'  4166900