======================== unified (from filesystem) ========================
                                         'bitrate'  '184.617'
                                        'duration'  '225'
                                          'artist'  'Piano Tribute Players'
                                     'text_people'  ''
                                         'release'  'Piano Tribute to Van Halen'
                                           'title'  'Jump'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'Q-PLAY-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-vocals-1', 'q-mixbeat-2', "
 "'Q-PIANO-4']")
                                      'lastfmtags'  "['cover', 'covers', 'instrumental', 'piano pop', 'piano', 'tribute']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '10'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'set-th-novelty-styledcovers;set-cover or covered'
                                             'bpm'  '130.3'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Piano Tribute to Van Halen'
'TBPM' (BPM (beats per minute))                     '130.3'
'TCON' (Content type, a.k.a. Genre)                 ['set-th-novelty-styledcovers', 'set-cover or covered']
'TCOP' (Copyright message)                          '℗ 2012 Cc Entertainment'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Jump'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Piano Tribute Players'
'TPE2' (Band/orchestra/accompaniment)               'Piano Tribute Players'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '1/10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['cover', 'covers', 'instrumental', 'piano pop', 'piano', 'tribute']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.14 dB'
'TXXX:replaygain_track_peak'                        '0.494360'

========================== row from database ==========================
                                              'id'  1111557
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/music for maniacs/01 - Jump.mp3
                                         'working'  None
                                         'bitrate'  185
                                    'duration_sec'  225
                                           'genre'  set-th-novelty-styledcovers;set-cover or covered
                                        'filesize'  5312320
                                           'mtime'  1642081747
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm music for maniacs 01 set th novelty styledcovers;set cover or covered
                                      'tag_artist'  Piano Tribute Players
                                     'tag_release'  Piano Tribute to Van Halen
                                       'tag_title'  Jump
                                             'bpm'  130.3
                                    'search_title'  'jump':1
                                   'search_artist'  'piano':1 'players':3 'tribute':2
                                  'search_release'  'halen':5 'piano':1 'to':3 'tribute':2 'van':4
                                     'search_rest'  'cover':11 'covered':13 'for':2 'maniacs':3 'music':1 'novelty':6 'or':12 'set':4,8,10 'styledcovers':7,9 'th':5
                                    'search_combo'  'cover':20 'covered':22 'for':11 'halen':9C 'jump':1A 'maniacs':12 'music':10 'novelty':15 'or':21 'piano':2B,5C 'players':4B 'set':13,17,19 'styledcovers':16,18 'th':14 'to':7C 'tribute':3B,6C 'van':8C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HAP-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-PLAY-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-chart-1', 'q-drums-1', 'q-other-1', 'q-vocals-1', 'q-mixbeat-2', 'Q-PIANO-4']
                                      'lastfmtags'  ['cover', 'covers', 'instrumental', 'piano pop', 'piano', 'tribute']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642081746.5910232  (2022-01-13 14:49:06)
                             'size'  5312320