======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '235'
                                          'artist'  'Tokyo Ska Paradise Orchestra'
                                     'text_people'  ''
                                         'release'  "Stompin' On DOWN BEAT ALLEY"
                                           'title'  'Skull Collector'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-JZFKS-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['ska', 'japanese', 'jazz', 'j-ska', 'ska-jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan'
                                             'bpm'  '105.642'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Stompin' On DOWN BEAT ALLEY"
'TBPM' (BPM (beats per minute))                     '105.642'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-japan'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Skull Collector'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tokyo Ska Paradise Orchestra'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['ska', 'japanese', 'jazz', 'j-ska', 'ska-jazz']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.48 dB'
'TXXX:replaygain_track_peak'                        '0.440741'

========================== row from database ==========================
                                              'id'  1253340
                                            'path'  /data/Music/Bulk/00localcharacter/Artiste - Tokyo Ska Paradise Orchestra/2002 - STOMPIN ON DOWN BEAT ALLEY/04 - Skull collector.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  235
                                           'genre'  loc-asia-japan
                                        'filesize'  5661452
                                           'mtime'  1622821655
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Artiste 2002 STOMPIN ON 04 collector loc asia japan
                                      'tag_artist'  Tokyo Ska Paradise Orchestra
                                     'tag_release'  Stompin' On DOWN BEAT ALLEY
                                       'tag_title'  Skull Collector
                                             'bpm'  105.642
                                    'search_title'  'collector':2 'skull':1
                                   'search_artist'  'orchestra':4 'paradise':3 'ska':2 'tokyo':1
                                  'search_release'  'alley':6 'beat':5 'down':4 'on':3 'stompin':1,2
                                     'search_rest'  '2002':2 'artiste':1 'asia':7 'collector':5 'japan':8 'loc':6 'on':4 'stompin':3
                                    'search_combo'  '2002':14 'alley':12C 'artiste':13 'asia':19 'beat':11C 'collector':2A,17 'down':10C 'japan':20 'loc':18 'on':9C,16 'orchestra':6B 'paradise':5B 'ska':4B 'skull':1A 'stompin':7C,8C,15 'tokyo':3B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['ska', 'japanese', 'jazz', 'j-ska', 'ska-jazz']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622821655.0359032  (2021-06-04 17:47:35)
                             'size'  5661452