======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '448'
                                          'artist'  'Unreal City'
                                     'text_people'  ''
                                         'release'  'progsoup 55'
                                           'title'  "Dell'Innocenza Perduta"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'Q-PLAY-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['progressive rock', 'hardcore', 'italian', 'italian progressive rock']"
                                     'discogstags'  "['hardcore', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '39'
                                      'tracktotal'  ''
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '107.664'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'progsoup 55'
'TBPM' (BPM (beats per minute))                     '107.664'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '2013'
'TENC' (Encoded by)                                 'AIMP2'
'TIT2' (Title/songname/content description)         "Dell'Innocenza Perduta"
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Unreal City'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '39'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['hardcore', 'rock']
'TXXX:lastfmtags'                                   ['progressive rock', 'hardcore', 'italian', 'italian progressive rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.33 dB'
'TXXX:replaygain_track_peak'                        '0.619027'

========================== row from database ==========================
                                              'id'  1505580
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 55/3133 unreal city - dell_innocenza perduta.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  448
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  17962757
                                           'mtime'  1620737593
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 3133 unreal city dell_innocenza perduta rock cppex progressive;set pl progspace
                                      'tag_artist'  Unreal City
                                     'tag_release'  progsoup 55
                                       'tag_title'  Dell'Innocenza Perduta
                                             'bpm'  107.664
                                    'search_title'  'dell':1 'dellinnocenza':3 'innocenza':2 'perduta':4
                                   'search_artist'  'city':2 'unreal':1
                                  'search_release'  '55':2 'progsoup':1
                                     'search_rest'  '3133':3 'city':5 'classicprogpsy':1 'cppex':10 'dell':6 'innocenza':7 'perduta':8 'pl':15 'progressive':11,13 'progsoup':2 'progspace':16 'rock':9 'set':12,14 'unreal':4
                                    'search_combo'  '3133':11 '55':8C 'city':6B,13 'classicprogpsy':9 'cppex':18 'dell':1A,14 'dellinnocenza':3A 'innocenza':2A,15 'perduta':4A,16 'pl':23 'progressive':19,21 'progsoup':7C,10 'progspace':24 'rock':17 'set':20,22 'unreal':5B,12
                                    'tag_tracknum'  39
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'hardcore', 'italian', 'italian progressive rock']
                                        'tag_date'  2013
                                     'discogstags'  ['hardcore', 'rock']

============================== file details ==============================
                                           'mtime'  1620737592.6161618  (2021-05-11 14:53:12)
                             'size'  17962757