======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '248'
                                          'artist'  'Le Orme'
                                     'text_people'  ''
                                         'release'  'Progsoup 48'
                                           'title'  'Al Mercato Delle Pulci'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['italian symphonic prog', 'progressive', 'italian progressive rock', "
 "'77davez all tracks', 'progressive rock', 'italian']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '31'
                                      'tracktotal'  ''
                                            'date'  '1977'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '144.438'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Progsoup 48'
'TBPM' (BPM (beats per minute))                     '144.438'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '1977'
'TIT2' (Title/songname/content description)         'Al Mercato Delle Pulci'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Le Orme'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '31'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['italian symphonic prog',
 'progressive',
 'italian progressive rock',
 '77davez all tracks',
 'progressive rock',
 'italian']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.87 dB'
'TXXX:replaygain_track_peak'                        '0.649036'

========================== row from database ==========================
                                              'id'  1413148
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 48/2734 Le Orme - Al mercato delle pulci.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  248
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  3980668
                                           'mtime'  1620737497
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 2734 mercato delle pulci rock cppex progressive;set pl progspace
                                      'tag_artist'  Le Orme
                                     'tag_release'  Progsoup 48
                                       'tag_title'  Al Mercato Delle Pulci
                                             'bpm'  144.438
                                    'search_title'  'al':1 'delle':3 'mercato':2 'pulci':4
                                   'search_artist'  'le':1 'orme':2
                                  'search_release'  '48':2 'progsoup':1
                                     'search_rest'  '2734':3 'classicprogpsy':1 'cppex':8 'delle':5 'mercato':4 'pl':13 'progressive':9,11 'progsoup':2 'progspace':14 'pulci':6 'rock':7 'set':10,12
                                    'search_combo'  '2734':11 '48':8C 'al':1A 'classicprogpsy':9 'cppex':16 'delle':3A,13 'le':5B 'mercato':2A,12 'orme':6B 'pl':21 'progressive':17,19 'progsoup':7C,10 'progspace':22 'pulci':4A,14 'rock':15 'set':18,20
                                    'tag_tracknum'  31
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['italian symphonic prog', 'progressive', 'italian progressive rock', '77davez all tracks', 'progressive rock', 'italian']
                                        'tag_date'  1977
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737497.0423944  (2021-05-11 14:51:37)
                             'size'  3980668