======================== unified (from filesystem) ========================
                                         'bitrate'  '133.001'
                                        'duration'  '520'
                                          'artist'  'Idris Muhammad'
                                     'text_people'  ''
                                         'release'  'Dimitri - Soul'
                                           'title'  'Could Heaven Ever Be Like This'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'Q-SYN-2', 'Q-BUSY-2', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-3', "
 "'Q-CHART-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['fusion', 'jazz', 'jazz funk', 'funk', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '122.9'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri - Soul'
'TBPM' (BPM (beats per minute))                     '122.9'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TIT2' (Title/songname/content description)         'Could Heaven Ever Be Like This'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Idris Muhammad'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf58.45.100'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['fusion', 'jazz', 'jazz funk', 'funk', 'soul']
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.07 dB'
'TXXX:replaygain_track_peak'                        '0.761330'
'TXXX:youtube'                                      '0yiMY1OARQU'

========================== row from database ==========================
                                              'id'  1477372
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/Soul/Idris Muhammad - Could Heaven Ever Be Like This-0yiMY1OARQU.mp3
                                         'working'  None
                                         'bitrate'  133
                                    'duration_sec'  520
                                           'genre'  funk or soul
                                        'filesize'  8659435
                                           'mtime'  1628357632
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 0yiMY1OARQU funk or soul
                                      'tag_artist'  Idris Muhammad
                                     'tag_release'  Dimitri - Soul
                                       'tag_title'  Could Heaven Ever Be Like This
                                             'bpm'  122.9
                                    'search_title'  'be':4 'could':1 'ever':3 'heaven':2 'like':5 'this':6
                                   'search_artist'  'idris':1 'muhammad':2
                                  'search_release'  'dimitri':1 'soul':2
                                     'search_rest'  '0yi':5 '0yimy1oarqu':1 'funk':2 'my1oarqu':6 'or':3 'soul':4
                                    'search_combo'  '0yi':15 '0yimy1oarqu':11 'be':4A 'could':1A 'dimitri':9C 'ever':3A 'funk':12 'heaven':2A 'idris':7B 'like':5A 'muhammad':8B 'my1oarqu':16 'or':13 'soul':10C,14 'this':6A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-2', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-3']
                                      'lastfmtags'  ['fusion', 'jazz', 'jazz funk', 'funk', 'soul']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357631.7122977  (2021-08-07 19:33:51)
                             'size'  8659435