======================== unified (from filesystem) ========================
                                         'bitrate'  '236.291'
                                        'duration'  '260'
                                          'artist'  'Sandro Brugnolini'
                                     'text_people'  ''
                                         'release'  'Flipper Psychout: Original Italian Library Music From The Vaults Of Flipper'
                                           'title'  'Marsuino'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['lounge', 'jazz', 'psychedelic']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'funk or soul;set-pl-mor'
                                             'bpm'  '106.3'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Flipper Psychout: Original Italian Library Music From The Vaults Of Flipper'
'TBPM' (BPM (beats per minute))                     '106.3'
'TCON' (Content type, a.k.a. Genre)                 ['funk or soul', 'set-pl-mor']
'TIT2' (Title/songname/content description)         'Marsuino'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sandro Brugnolini'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:date'                                         '2010'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['lounge', 'jazz', 'psychedelic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-4.40 dB'
'TXXX:replaygain_track_peak'                        '0.985371'

========================== row from database ==========================
                                              'id'  1457299
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/Flipper Psychout- Original Italian Library Music From The Vaults Of Flipper/10 - Sandro Brugnolini - Marsuino.mp3
                                         'working'  None
                                         'bitrate'  236
                                    'duration_sec'  260
                                           'genre'  funk or soul;set-pl-mor
                                        'filesize'  7789481
                                           'mtime'  1628357652
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul 10 funk or soul;set pl mor
                                      'tag_artist'  Sandro Brugnolini
                                     'tag_release'  Flipper Psychout: Original Italian Library Music From The Vaults Of Flipper
                                       'tag_title'  Marsuino
                                             'bpm'  106.3
                                    'search_title'  'marsuino':1
                                   'search_artist'  'brugnolini':2 'sandro':1
                                  'search_release'  'flipper':1 'from':8 'italian':5 'library':6 'music':7 'of':11 'original':4 'psychout':2,3 'the':9 'vaults':10
                                     'search_rest'  'funk':2 'mor':10 'or':4 'pl':9 'set':6,8 'soul':3,5,7 'swing':1
                                    'search_combo'  'brugnolini':3B 'flipper':4C 'from':11C 'funk':16 'italian':8C 'library':9C 'marsuino':1A 'mor':24 'music':10C 'of':14C 'or':18 'original':7C 'pl':23 'psychout':5C,6C 'sandro':2B 'set':20,22 'soul':17,19,21 'swing':15 'the':12C 'vaults':13C
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'jazz', 'psychedelic']
                                        'tag_date'  
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1628357652.3599763  (2021-08-07 19:34:12)
                             'size'  7789481