======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '158'
                                          'artist'  'Surfaris'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Wipe Out'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-3']")
                                      'lastfmtags'  "['surf', 'surf rock', '60s', 'instrumental', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '101'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-surf'
                                             'bpm'  '99.763'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '99.763'
'TCON' (Content type, a.k.a. Genre)                 'rock-surf'
'TIT2' (Title/songname/content description)         'Wipe Out'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Surfaris'
'TRCK' (Track number/Position in set)               '101'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['surf', 'surf rock', '60s', 'instrumental', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.22 dB'
'TXXX:replaygain_track_peak'                        '0.578187'

========================== row from database ==========================
                                              'id'  1286145
                                            'path'  /data/Music/Bulk/00poprockelectronic/Surfaris/Unknown Album/101 Wipe Out.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  158
                                           'genre'  rock-surf
                                        'filesize'  2535868
                                           'mtime'  1630253120
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unknown Album 101 rock surf
                                      'tag_artist'  Surfaris
                                     'tag_release'  None
                                       'tag_title'  Wipe Out
                                             'bpm'  99.763
                                    'search_title'  'out':2 'wipe':1
                                   'search_artist'  'surfaris':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '101':4 'album':3 'rock':5 'surf':6 'unknown':2
                                    'search_combo'  '00poprockelectronic':4 '101':7 'album':6 'out':2A 'rock':8 'surf':9 'surfaris':3B 'unknown':5 'wipe':1A
                                    'tag_tracknum'  101
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['surf', 'surf rock', '60s', 'instrumental', 'rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1630253119.71064  (2021-08-29 18:05:19)
                             'size'  2535868