======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '143'
                                          'artist'  'Emy Jackson & The Smashmen'
                                     'text_people'  ''
                                         'release'  "Emy Jackson & The Smashmen (Nipon 60's)"
                                           'title'  'If I Gave My Heart To You'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['japanese', 'garage', 'bells', 'le beat electrique']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan'
                                             'bpm'  '145.5'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'TALB' (Album/Movie/Show title)                     "Emy Jackson & The Smashmen (Nipon 60's)"
'TBPM' (BPM (beats per minute))                     '145.5'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-japan'
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'If I Gave My Heart To You'
'TKEY' (Initial key)                                '9B'
'TLEN' (Length)                                     '143360'
'TPE1' (Lead performer(s)/Soloist(s))               'Emy Jackson & The Smashmen'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['japanese', 'garage', 'bells', 'le beat electrique']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.89 dB'
'TXXX:replaygain_track_peak'                        '0.377110'

========================== row from database ==========================
                                              'id'  1523116
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Emy Jackson & The Smashmen (Nipon 60_s)/12 - If I Gave My Heart To You.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  143
                                           'genre'  loc-asia-japan
                                        'filesize'  2295808
                                           'mtime'  1621509985
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 60_s) 12 loc asia japan
                                      'tag_artist'  Emy Jackson & The Smashmen
                                     'tag_release'  Emy Jackson & The Smashmen (Nipon 60's)
                                       'tag_title'  If I Gave My Heart To You
                                             'bpm'  145.5
                                    'search_title'  'gave':3 'heart':5 'i':2 'if':1 'my':4 'to':6 'you':7
                                   'search_artist'  'emy':1 'jackson':2 'smashmen':4 'the':3
                                  'search_release'  '60':7 '60s':9 'emy':1 'jackson':2 'nipon':5,6 's':8 'smashmen':4 'the':3
                                     'search_rest'  '60':1,3 'asia':6 'japan':7 'loc':5 's':2,4
                                    'search_combo'  '60':18C,21,23 '60s':20C 'asia':26 'emy':8B,12C 'gave':3A 'heart':5A 'i':2A 'if':1A 'jackson':9B,13C 'japan':27 'loc':25 'my':4A 'nipon':16C,17C 's':19C,22,24 'smashmen':11B,15C 'the':10B,14C 'to':6A 'you':7A
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['japanese', 'garage', 'bells', 'le beat electrique']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621509985.4426913  (2021-05-20 13:26:25)
                             'size'  2295808