======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '168'
                                          'artist'  'Gianni Ferrio'
                                     'text_people'  ''
                                         'release'  'Italian Cinema Lounge'
                                           'title'  'Step by Step'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'lounge', 'secretagent', 'spaghetti western', 'italian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  '21'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '109'
                                             'key'  '4A'
                                        'acoustid'  'b82b5ee1-e3e2-4d33-983b-e4e310fd0156'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Italian Cinema Lounge'
'TBPM' (BPM (beats per minute))                     '109'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Step by Step'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Gianni Ferrio'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Easy Tempo'
'TRCK' (Track number/Position in set)               '17/21'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Ferrio, Gianni'
'TXXX:Acoustid Id'                                  'b82b5ee1-e3e2-4d33-983b-e4e310fd0156'
'TXXX:Artists'                                      'Gianni Ferrio'
'TXXX:CATALOGNUMBER'                                'ET 922 CD'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '738ebc40-8fa7-4220-90ec-8cafdb66164e'
'TXXX:MusicBrainz Album Release Country'            'IT'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'ec528bd9-40c1-4ccc-b62f-2acb7aa9f561'
'TXXX:MusicBrainz Release Group Id'                 '90208c65-eaed-397f-a132-e4624d9dfdd8'
'TXXX:MusicBrainz Release Track Id'                 'b13d6662-7e17-3b79-9cc0-f4c639bd8676'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['soundtrack', 'lounge', 'secretagent', 'spaghetti western', 'italian']
'TXXX:originalyear'                                 '1998'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.59 dB'
'TXXX:replaygain_track_peak'                        '0.723615'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4ddf9a9b-adcb-42c0-a1d2-5a3436c507c5')

========================== row from database ==========================
                                              'id'  727441
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/italian cinema lounge/gianni ferrio - step by step.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  168
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  3425623
                                           'mtime'  1620537616
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country italian cinema lounge gianni ferrio step step prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Gianni Ferrio
                                     'tag_release'  Italian Cinema Lounge
                                       'tag_title'  Step by Step
                                             'bpm'  109.0
                                    'search_title'  'by':2 'step':1
                                   'search_artist'  'ferrio':2 'gianni':1
                                  'search_release'  'cinema':2 'italian':1 'lounge':3
                                     'search_rest'  'bossa':14 'cinema':6 'country':4 'exotica':2 'ferrio':9 'gianni':8 'italian':5 'jazz':1 'jb':12 'lounge':7 'oldies':3 'or':13 'prerock':11 'step':10
                                    'search_combo'  'bossa':21 'by':2A 'cinema':6C,13 'country':11 'exotica':9 'ferrio':4B,16 'gianni':3B,15 'italian':5C,12 'jazz':8 'jb':19 'lounge':7C,14 'oldies':10 'or':20 'prerock':18 'step':1A,17
                                    'tag_tracknum'  17
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['soundtrack', 'lounge', 'secretagent', 'spaghetti western', 'italian']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620537615.7673779  (2021-05-09 07:20:15)
                             'size'  3425623