======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '336'
                                          'artist'  'Kool & The Gang'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Emergency (Dance Mix)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', '70s', 'soul', 'funk', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '125.006'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '125.006'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Emergency (Dance Mix)'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kool & The Gang'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', '70s', 'soul', 'funk', 'disco']
'TXXX:other'                                        'C'
'TXXX:q-bass'                                       '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.30 dB'
'TXXX:replaygain_track_peak'                        '0.742436'

========================== row from database ==========================
                                              'id'  1295591
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/337-C Kool & The Gang - Emergency (Dance Mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  336
                                           'genre'  funk or soul
                                        'filesize'  13471744
                                           'mtime'  1628357921
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 337 C funk or soul
                                      'tag_artist'  Kool & The Gang
                                     'tag_release'  None
                                       'tag_title'  Emergency (Dance Mix)
                                             'bpm'  125.006
                                    'search_title'  'dance':2,3 'emergency':1 'mix':4,5
                                   'search_artist'  'gang':3 'kool':1 'the':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '1985':2 '337':4 'c':5 'complete':3 'funk':6 'or':7 'soul':8
                                    'search_combo'  '00poprockelectronic':9 '1985':10 '337':12 'c':13 'complete':11 'dance':2A,3A 'emergency':1A 'funk':14 'gang':8B 'kool':6B 'mix':4A,5A 'or':15 'soul':16 'the':7B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', '70s', 'soul', 'funk', 'disco']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357920.796243  (2021-08-07 19:38:40)
                             'size'  13471744