======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '190'
                                          'artist'  'Calexico'
                                     'text_people'  ''
                                         'release'  'Mariachi: The Sound Of Hysteria & Heartache [Trikont US-0365]'
                                           'title'  'Minas De Cobre'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'indie', 'fip', 'polyaztone']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '18'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-samerica-mexico;rock-pop-indie'
                                             'bpm'  '103.4'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000E9B 00000CA4 00007898 00006034 00027F46 00027F46 00008000 00008000 '
 '0000C5BB 00012B80')
'TALB' (Album/Movie/Show title)                     'Mariachi: The Sound Of Hysteria & Heartache [Trikont US-0365]'
'TBPM' (BPM (beats per minute))                     '103.4'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['loc-samerica-mexico', 'rock-pop-indie']
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Minas De Cobre'
'TKEY' (Initial key)                                '7B'
'TLEN' (Length)                                     '190760'
'TPE1' (Lead performer(s)/Soloist(s))               'Calexico'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '5/18'
'TSOA' (Album sort order)                           'Mariachi: The Sound Of Hysteria & Heartache (trikont)'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['instrumental', 'indie', 'fip', 'polyaztone']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.29 dB'
'TXXX:replaygain_track_peak'                        '0.434088'

========================== row from database ==========================
                                              'id'  959717
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/VA - Mariachi, the Sound of Hysteria & Heartache/05 - calexico - minas de cobre - the sound of hysteria & heartache.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  190
                                           'genre'  loc-samerica-mexico;rock-pop-indie
                                        'filesize'  6202906
                                           'mtime'  1621626207
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm VA Mariachi, the of 05 calexico minas de cobre the sound of hysteria heartache loc samerica mexico;rock pop indie
                                      'tag_artist'  Calexico
                                     'tag_release'  Mariachi: The Sound Of Hysteria & Heartache [Trikont US-0365]
                                       'tag_title'  Minas De Cobre
                                             'bpm'  103.4
                                    'search_title'  'cobre':3 'de':2 'minas':1
                                   'search_artist'  'calexico':1
                                  'search_release'  '0365':11 'heartache':7 'hysteria':6 'mariachi':1,2 'of':5 'sound':4 'the':3 'trikont':8,9 'us':10 'us0365':12
                                     'search_rest'  'calexico':6 'cobre':9 'de':8 'heartache':12 'hysteria':11 'indie':20 'loc':13 'mariachi':2,3 'mexico':15,17 'minas':7 'of':5 'pop':19 'rock':16,18 'samerica':14 'sound':10 'the':4 'va':1
                                    'search_combo'  '0365':15C 'calexico':4B,22 'cobre':3A,25 'de':2A,24 'heartache':11C,28 'hysteria':10C,27 'indie':36 'loc':29 'mariachi':5C,6C,18,19 'mexico':31,33 'minas':1A,23 'of':9C,21 'pop':35 'rock':32,34 'samerica':30 'sound':8C,26 'the':7C,20 'trikont':12C,13C 'us':14C 'us0365':16C 'va':17
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'indie', 'fip', 'polyaztone']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621626206.7605548  (2021-05-21 21:43:26)
                             'size'  6202906