======================== unified (from filesystem) ========================
                                         'bitrate'  '227.745'
                                        'duration'  '156'
                                          'artist'  'fun fun'
                                     'text_people'  ''
                                         'release'  'miscitalo'
                                           'title'  'baila bolero'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'dance', 'italo disco', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '124.852'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'miscitalo'
'TBPM' (BPM (beats per minute))                     '124.852'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'baila bolero'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'fun fun'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'dance', 'italo disco', 'disco']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.14 dB'
'TXXX:replaygain_track_peak'                        '0.707314'

========================== row from database ==========================
                                              'id'  1318926
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/patrick cowley - Deep Dance Best Of Italo Vol.1/08 - fun fun - baila bolero.mp3
                                         'working'  None
                                         'bitrate'  227
                                    'duration_sec'  156
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  4436934
                                           'mtime'  1620610936
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco patrick cowley Deep Dance Best Of Italo Vol.1 08 electronic we disco or
                                      'tag_artist'  fun fun
                                     'tag_release'  miscitalo
                                       'tag_title'  baila bolero
                                             'bpm'  124.852
                                    'search_title'  'baila':1 'bolero':2
                                   'search_artist'  'fun':1
                                  'search_release'  'miscitalo':1
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 '1':13 'best':9 'cowley':6 'dance':8 'deep':7 'disco':3 'electronic':15 'italo':11 'of':10 'or':17 'patrick':5 'vol':12 'vol1':14 'waves':2 'we':16
                                    'search_combo'  '00disco':8 '00poprockelectronic':5 '1':17 'baila':1A 'best':13 'bolero':2A 'cowley':10 'dance':12 'deep':11 'disco':7 'electronic':19 'fun':3B 'italo':15 'miscitalo':4C 'of':14 'or':21 'patrick':9 'vol':16 'vol1':18 'waves':6 'we':20
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-4', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['80s', 'dance', 'italo disco', 'disco']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620610935.6634052  (2021-05-10 03:42:15)
                             'size'  4436934