======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '120'
                                          'artist'  "L'estasi Dell'oro"
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Did It Good'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['techno', 'electronic', 'experimental', 'industrial techno']"
                                     'discogstags'  "['techno', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '145.6'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '145.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Did It Good'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               "L'estasi Dell'oro"
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['techno', 'electronic']
'TXXX:lastfmtags'                                   ['techno', 'electronic', 'experimental', 'industrial techno']
'TXXX:other'                                        '186747528'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.23 dB'
'TXXX:replaygain_track_peak'                        '0.511877'

========================== row from database ==========================
                                              'id'  1512085
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/soundcloud/fieldrecords/L_estasi Dell_oro - Did It Good-186747528.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  120
                                           'genre'  electronic-th-techno
                                        'filesize'  1923130
                                           'mtime'  1620546092
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm soundcloud fieldrecords L_estasi Dell_oro 186747528 electronic th techno
                                      'tag_artist'  L'estasi Dell'oro
                                     'tag_release'  None
                                       'tag_title'  Did It Good
                                             'bpm'  145.6
                                    'search_title'  'did':1 'good':3 'it':2
                                   'search_artist'  'dell':4 'delloro':6 'estasi':2 'l':1 'lestasi':3 'oro':5
                                  'search_release'  
                                     'search_rest'  '186747528':7 'dell':5 'electronic':8 'estasi':4 'fieldrecords':2 'l':3 'oro':6 'soundcloud':1 'techno':10 'th':9
                                    'search_combo'  '186747528':16 'dell':7B,14 'delloro':9B 'did':1A 'electronic':17 'estasi':5B,13 'fieldrecords':11 'good':3A 'it':2A 'l':4B,12 'lestasi':6B 'oro':8B,15 'soundcloud':10 'techno':19 'th':18
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['techno', 'electronic', 'experimental', 'industrial techno']
                                        'tag_date'  2015
                                     'discogstags'  ['techno', 'electronic']

============================== file details ==============================
                                           'mtime'  1620546092.179122  (2021-05-09 09:41:32)
                             'size'  1923130