======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '399'
                                          'artist'  'Subsignal'
                                     'text_people'  ''
                                         'release'  'progsoup 19'
                                           'title'  'Rain Is The Most Beautiful Color (Bonustrack)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['german', 'art rock', 'progressive rock', 'progressive metal', 'progressive']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '30'
                                      'tracktotal'  '10'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '93.285'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000E80 00000E63 00005B43 00006D3C 0001A1F5 0001A1F5 00007E92 00007E92 '
 '00016C49 0003E297')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000AE0 00000000010CD790 00000000 00C30345 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '10+C1A0D36C5486D0FCDD9A169478553716+13729378'
'TALB' (Album/Movie/Show title)                     'progsoup 19'
'TBPM' (BPM (beats per minute))                     '93.285'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '2009'
'TENC' (Encoded by)                                 'iTunes 9.0.0.70'
'TIT2' (Title/songname/content description)         'Rain Is The Most Beautiful Color (Bonustrack)'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Subsignal'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '30/10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['german', 'art rock', 'progressive rock', 'progressive metal', 'progressive']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.05 dB'
'TXXX:replaygain_track_peak'                        '0.372607'

========================== row from database ==========================
                                              'id'  1409542
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 19/1087 subsignal - rain is the most beautiful color.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  399
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  12826469
                                           'mtime'  1620736735
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 1087 subsignal rain is the most beautiful color rock cppex progressive;set pl progspace
                                      'tag_artist'  Subsignal
                                     'tag_release'  progsoup 19
                                       'tag_title'  Rain Is The Most Beautiful Color (Bonustrack)
                                             'bpm'  93.285
                                    'search_title'  'beautiful':5 'bonustrack':7,8 'color':6 'is':2 'most':4 'rain':1 'the':3
                                   'search_artist'  'subsignal':1
                                  'search_release'  '19':2 'progsoup':1
                                     'search_rest'  '1087':3 'beautiful':9 'classicprogpsy':1 'color':10 'cppex':12 'is':6 'most':8 'pl':17 'progressive':13,15 'progsoup':2 'progspace':18 'rain':5 'rock':11 'set':14,16 'subsignal':4 'the':7
                                    'search_combo'  '1087':14 '19':11C 'beautiful':5A,20 'bonustrack':7A,8A 'classicprogpsy':12 'color':6A,21 'cppex':23 'is':2A,17 'most':4A,19 'pl':28 'progressive':24,26 'progsoup':10C,13 'progspace':29 'rain':1A,16 'rock':22 'set':25,27 'subsignal':9B,15 'the':3A,18
                                    'tag_tracknum'  30
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['german', 'art rock', 'progressive rock', 'progressive metal', 'progressive']
                                        'tag_date'  2009
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736734.9444575  (2021-05-11 14:38:54)
                             'size'  12826469