======================== unified (from filesystem) ========================
                                         'bitrate'  '178.574'
                                        'duration'  '448'
                                          'artist'  'Filterheadz'
                                     'text_people'  'Michael Rose'
                                         'release'  'Uplifting Progressive Trance'
                                           'title'  'Blue Sky Happiness'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['trance', 'techno', 'electronic', 'tech house', 'house']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '2'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-th-trance'
                                             'bpm'  '133.00'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 ('0000147D 000014C1 000110AB 00010FE4 00035267 00035267 00008000 00008000 '
 '0000E64A 0000E64A')
'TALB' (Album/Movie/Show title)                     'Uplifting Progressive Trance'
'TBPM' (BPM (beats per minute))                     '133.00'
'TCOM' (Composer)                                   'Michael Rose'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-trance'
'TDOR' (Original release time)                      '2006'
'TDRC' (Recording time)                             '2006-10-26'
'TIT2' (Title/songname/content description)         'Blue Sky Happiness'
'TKEY' (Initial key)                                '5A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Filterheadz'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Love Distortion'
'TRCK' (Track number/Position in set)               '1/2'
'TSO2'                                              'Filterheadz'
'TSOP' (Performer sort order)                       'Filterheadz'
'TXXX:CATALOGNUMBER'                                'LD061004'
'TXXX:MusicBrainz Album Artist Id'                  '874fb180-fa08-43b5-b90e-f687e2e6980c'
'TXXX:MusicBrainz Album Id'                         '481de39c-ddc0-44ac-a5f7-c2fa969395e4'
'TXXX:MusicBrainz Album Release Country'            'NL'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'single'
'TXXX:MusicBrainz Artist Id'                        '874fb180-fa08-43b5-b90e-f687e2e6980c'
'TXXX:MusicBrainz Release Group Id'                 '5b04d21e-4511-4d5e-ad43-8afe9479f417'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['trance', 'techno', 'electronic', 'tech house', 'house']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.01 dB'
'TXXX:replaygain_track_peak'                        '0.449160'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'34ef0e91-1dff-4ce7-b2e2-d4aa1a721272')

========================== row from database ==========================
                                              'id'  731702
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/tribal electro ~ classic progressive house ~ uplifting progressive trance/filterheadz-blue sky happiness  original mix.mp3
                                         'working'  None
                                         'bitrate'  178
                                    'duration_sec'  448
                                           'genre'  electronic-th-trance
                                        'filesize'  10026499
                                           'mtime'  1621509022
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm tribal electro ~ classic progressive house ~ uplifting progressive trance filterheadz blue sky happiness original mix electronic th trance
                                      'tag_artist'  Filterheadz
                                     'tag_release'  Uplifting Progressive Trance
                                       'tag_title'  Blue Sky Happiness
                                             'bpm'  133.0
                                    'search_title'  'blue':1 'happiness':3 'sky':2
                                   'search_artist'  'filterheadz':1
                                  'search_release'  'progressive':2 'trance':3 'uplifting':1
                                     'search_rest'  'blue':9 'classic':3 'electro':2 'electronic':14 'filterheadz':8 'happiness':11 'house':5 'mix':13 'original':12 'progressive':4 'sky':10 'th':15 'trance':7 'tribal':1 'uplifting':6
                                    'search_combo'  'blue':1A,16 'classic':10 'electro':9 'electronic':21 'filterheadz':4B,15 'happiness':3A,18 'house':12 'mix':20 'original':19 'progressive':6C,11 'sky':2A,17 'th':22 'trance':7C,14 'tribal':8 'uplifting':5C,13
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['trance', 'techno', 'electronic', 'tech house', 'house']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621509021.5318134  (2021-05-20 13:10:21)
                             'size'  10026499