======================== unified (from filesystem) ========================
                                         'bitrate'  '243.061'
                                        'duration'  '161'
                                          'artist'  'Anti Trance Terrorists'
                                     'text_people'  ''
                                         'release'  'Global Underground 015: Uruguay (Disc 2)'
                                           'title'  'Pig Jam'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'q-syn-4', 'q-bass-2', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-1', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-4', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['techno', 'progressive house', 'tech house', 'totec radio']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '127.927'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Global Underground 015: Uruguay (Disc 2)'
'TBPM' (BPM (beats per minute))                     '127.927'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Pig Jam'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Anti Trance Terrorists'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '08'
'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'                                  'electronic'
'TXXX:lastfmtags'                                   ['techno', 'progressive house', 'tech house', 'totec radio']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.59 dB'
'TXXX:replaygain_track_peak'                        '0.674206'

========================== row from database ==========================
                                              'id'  1306595
                                            'path'  /data/Music/Bulk/00poprockelectronic/Anti Trance Terrorists - Darren Emerson - Global Underground 015- Uruguay (2000) - V0/Disc 2/08 - Anti Trance Terrorists - Pig Jam.mp3
                                         'working'  None
                                         'bitrate'  243
                                    'duration_sec'  161
                                           'genre'  electronic-th-techno
                                        'filesize'  4905754
                                           'mtime'  1620567356
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Darren Emerson (2000) V0 08 electronic th techno
                                      'tag_artist'  Anti Trance Terrorists
                                     'tag_release'  Global Underground 015: Uruguay (Disc 2)
                                       'tag_title'  Pig Jam
                                             'bpm'  127.927
                                    'search_title'  'jam':2 'pig':1
                                   'search_artist'  'anti':1 'terrorists':3 'trance':2
                                  'search_release'  '015':3,4 '2':8,9 'disc':6,7 'global':1 'underground':2 'uruguay':5
                                     'search_rest'  '00poprockelectronic':1 '2000':4,5 'darren':2 'electronic':7 'emerson':3 'techno':9 'th':8 'v0':6
                                    'search_combo'  '00poprockelectronic':15 '015':8C,9C '2':13C,14C '2000':18,19 'anti':3B 'darren':16 'disc':11C,12C 'electronic':21 'emerson':17 'global':6C 'jam':2A 'pig':1A 'techno':23 'terrorists':5B 'th':22 'trance':4B 'underground':7C 'uruguay':10C 'v0':20
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['techno', 'progressive house', 'tech house', 'totec radio']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620567356.0224907  (2021-05-09 15:35:56)
                             'size'  4905754