======================== unified (from filesystem) ========================
                                         'bitrate'  '262.921'
                                        'duration'  '347'
                                          'artist'  'Biffy Clyro'
                                     'text_people'  ''
                                         'release'  'Infinity Land'
                                           'title'  'Wave Upon Wave Upon Wave'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', 'indie rock', 'indie', 'rock', 'scottish', 'alternative']"
                                     'discogstags'  ("['rock', 'alternative rock', 'indie rock', 'post-hardcore', 'emo', 'math "
 "rock']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '135.546'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Infinity Land'
'TBPM' (BPM (beats per minute))                     '135.546'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Wave Upon Wave Upon Wave'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Biffy Clyro'
'TRCK' (Track number/Position in set)               '7'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'alternative rock', 'indie rock', 'post-hardcore', 'emo', 'math rock']
'TXXX:lastfmtags'                                   ['alternative rock', 'indie rock', 'indie', 'rock', 'scottish', 'alternative']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.59 dB'
'TXXX:replaygain_track_peak'                        '0.469003'

========================== row from database ==========================
                                              'id'  1370478
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Biffy Clyro/Infinity Land/07 - Wave Upon Wave Upon Wave.mp3
                                         'working'  None
                                         'bitrate'  262
                                    'duration_sec'  347
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  11441553
                                           'mtime'  1637330289
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock 07 ifs songwriter indie rock
                                      'tag_artist'  Biffy Clyro
                                     'tag_release'  Infinity Land
                                       'tag_title'  Wave Upon Wave Upon Wave
                                             'bpm'  135.546
                                    'search_title'  'upon':2 'wave':1
                                   'search_artist'  'biffy':1 'clyro':2
                                  'search_release'  'infinity':1 'land':2
                                     'search_rest'  '00poprockelectronic':1 'ifs':4 'indie':6 'indierock':3 'poprock':2 'rock':7 'songwriter':5
                                    'search_combo'  '00poprockelectronic':7 'biffy':3B 'clyro':4B 'ifs':10 'indie':12 'indierock':9 'infinity':5C 'land':6C 'poprock':8 'rock':13 'songwriter':11 'upon':2A 'wave':1A
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'indie rock', 'indie', 'rock', 'scottish', 'alternative']
                                        'tag_date'  2004
                                     'discogstags'  ['rock', 'alternative rock', 'indie rock', 'post-hardcore', 'emo', 'math rock']

============================== file details ==============================
                                           'mtime'  1637330288.7977335  (2021-11-19 14:58:08)
                             'size'  11441553