======================== unified (from filesystem) ========================
                                         'bitrate'  '262.235'
                                        'duration'  '138'
                                          'artist'  'Takeshi Terauchi'
                                     'text_people'  'Dan Kosaku'
                                         'release'  'The Complete Collection'
                                           'title'  'Black Sand Beach (Burakku Sando Biichi)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['surf', 'eleki', 'japanese', 'surf rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'rock-pop-surf'
                                             'bpm'  '143.619'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Complete Collection'
'TBPM' (BPM (beats per minute))                     '143.619'
'TCOM' (Composer)                                   'Dan Kosaku'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-surf'
'TIT2' (Title/songname/content description)         'Black Sand Beach (Burakku Sando Biichi)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Takeshi Terauchi'
'TPE2' (Band/orchestra/accompaniment)               'Takeshi Terauchi'
'TRCK' (Track number/Position in set)               '16'
'TXXX:DATE'                                         '1998'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['surf', 'eleki', 'japanese', 'surf rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.21 dB'
'TXXX:replaygain_track_peak'                        '0.511520'

========================== row from database ==========================
                                              'id'  1417751
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/The Blue Jeans - Complete Collection/16. Black Sand Beach (Burakku Sando Biichi).mp3
                                         'working'  None
                                         'bitrate'  262
                                    'duration_sec'  138
                                           'genre'  rock-pop-surf
                                        'filesize'  4550955
                                           'mtime'  1620737155
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner Blue Jeans 16. rock pop surf
                                      'tag_artist'  Takeshi Terauchi
                                     'tag_release'  The Complete Collection
                                       'tag_title'  Black Sand Beach (Burakku Sando Biichi)
                                             'bpm'  143.619
                                    'search_title'  'beach':3 'biichi':7,8 'black':1 'burakku':4,5 'sand':2 'sando':6
                                   'search_artist'  'takeshi':1 'terauchi':2
                                  'search_release'  'collection':3 'complete':2 'the':1
                                     'search_rest'  '16':7,8 'blue':5 'garage':2 'jeans':6 'pop':10 'punk':1 'rock':9 'stoner':4 'surf':3
                                    'search_combo'  '16':20,21 'beach':3A 'biichi':7A,8A 'black':1A 'blue':18 'burakku':4A,5A 'collection':13C 'complete':12C 'garage':15 'jeans':19 'pop':23 'punk':14 'rock':22 'sand':2A 'sando':6A 'stoner':17 'surf':16 'takeshi':9B 'terauchi':10B 'the':11C
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['surf', 'eleki', 'japanese', 'surf rock']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737154.5290282  (2021-05-11 14:45:54)
                             'size'  4550955