======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '127'
                                          'artist'  'The Trashmen'
                                     'text_people'  ''
                                         'release'  "Surfin' Bird"
                                           'title'  'Bird Dance Beat (Demo Version)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['surf', 'garage rock', '60s', 'surf rock', 'rock']"
                                     'discogstags'  "['rock', 'surf', 'garage rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '1964'
                                        'comments'  ''
                                           'genre'  'rock-pop-surf'
                                             'bpm'  '127.284'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "Surfin' Bird"
'TBPM' (BPM (beats per minute))                     '127.284'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-surf'
'TIT2' (Title/songname/content description)         'Bird Dance Beat (Demo Version)'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Trashmen'
'TPE2' (Band/orchestra/accompaniment)               'The Trashmen'
'TRCK' (Track number/Position in set)               '14'
'TXXX:DATE'                                         '1964'
'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:discogstags'                                  ['rock', 'surf', 'garage rock']
'TXXX:lastfmtags'                                   ['surf', 'garage rock', '60s', 'surf rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.71 dB'
'TXXX:replaygain_track_peak'                        '0.303207'

========================== row from database ==========================
                                              'id'  1530990
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/The Trashmen - The Treble Spankers/The Trashmen_/The Trashmen - Surfin_ Bird (1964)/14_Bird Dance Beat (Demo Version) - The Trashmen.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  127
                                           'genre'  rock-pop-surf
                                        'filesize'  3635072
                                           'mtime'  1620737210
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner Treble Spankers Trashmen_ Surfin_ (1964) 14_Bird rock pop surf
                                      'tag_artist'  The Trashmen
                                     'tag_release'  Surfin' Bird
                                       'tag_title'  Bird Dance Beat (Demo Version)
                                             'bpm'  127.284
                                    'search_title'  'beat':3 'bird':1 'dance':2 'demo':4,5 'version':6,7
                                   'search_artist'  'the':1 'trashmen':2
                                  'search_release'  'bird':3 'surfin':1,2
                                     'search_rest'  '14':11 '1964':9,10 'bird':12 'garage':2 'pop':14 'punk':1 'rock':13 'spankers':6 'stoner':4 'surf':3 'surfin':8 'trashmen':7 'treble':5
                                    'search_combo'  '14':23 '1964':21,22 'beat':3A 'bird':1A,12C,24 'dance':2A 'demo':4A,5A 'garage':14 'pop':26 'punk':13 'rock':25 'spankers':18 'stoner':16 'surf':15 'surfin':10C,11C,20 'the':8B 'trashmen':9B,19 'treble':17 'version':6A,7A
                                    'tag_tracknum'  14
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['surf', 'garage rock', '60s', 'surf rock', 'rock']
                                        'tag_date'  1964
                                     'discogstags'  ['rock', 'surf', 'garage rock']

============================== file details ==============================
                                           'mtime'  1620737210.1032677  (2021-05-11 14:46:50)
                             'size'  3635072