======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '189'
                                          'artist'  '7 Seconds of Love'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Flip Out'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-2', "
 "'Q-HHRNBTT-1', 'Q-PLAY-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-3', 'q-other-2', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['ska punk', 'comedy', 'ska', 'british', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'entertaining-unsorted'
                                             'bpm'  '118.984'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '118.984'
'TCON' (Content type, a.k.a. Genre)                 'entertaining-unsorted'
'TIT2' (Title/songname/content description)         'Flip Out'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               '7 Seconds of Love'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['ska punk', 'comedy', 'ska', 'british', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.80 dB'
'TXXX:replaygain_track_peak'                        '0.439962'

========================== row from database ==========================
                                              'id'  1303503
                                            'path'  /data/Music/Bulk/00spent/Unsorted/7 Seconds Of Love - I Gonna Flip Out Like A Ninja.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  189
                                           'genre'  entertaining-unsorted
                                        'filesize'  7595552
                                           'mtime'  1621696030
                                   'redo_metaread'  0
                                        'rest_str'   00spent Unsorted Of I Gonna Like A Ninja entertaining unsorted
                                      'tag_artist'  7 Seconds of Love
                                     'tag_release'  None
                                       'tag_title'  Flip Out
                                             'bpm'  118.984
                                    'search_title'  'flip':1 'out':2
                                   'search_artist'  '7':1 'love':4 'of':3 'seconds':2
                                  'search_release'  
                                     'search_rest'  '00spent':1 'a':7 'entertaining':9 'gonna':5 'i':4 'like':6 'ninja':8 'of':3 'unsorted':2
                                    'search_combo'  '00spent':7 '7':3B 'a':13 'entertaining':15 'flip':1A 'gonna':11 'i':10 'like':12 'love':6B 'ninja':14 'of':5B,9 'out':2A 'seconds':4B 'unsorted':8
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['ska punk', 'comedy', 'ska', 'british', 'rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696030.3177087  (2021-05-22 17:07:10)
                             'size'  7595552