======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '267'
                                          'artist'  'Samuel Onervas'
                                     'text_people'  ''
                                         'release'  'Techno Energy 12'
                                           'title'  'Inter Primate Express (Melrob remix)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-GRIT-3', 'q-bass-4', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'Q-SYN-4', 'Q-BUSY-3', 'Q-PLAY-2', 'Q-CHART-2', "
 "'Q-MIXBEAT-4']")
                                      'lastfmtags'  "['hard techno', 'techno', 'acid', 'tribal', 'acid techno']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '22'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '136.7'
                                             'key'  '2A'
                                        'acoustid'  '74786fd9-b28e-444c-8f18-d5a0d20f1665'
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '5210CA16'
'TALB' (Album/Movie/Show title)                     'Techno Energy 12'
'TBPM' (BPM (beats per minute))                     '136.7'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Inter Primate Express (Melrob remix)'
'TKEY' (Initial key)                                '2A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Samuel Onervas'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Nextera'
'TRCK' (Track number/Position in set)               '1/22'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Onervas, Samuel'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.81.02, LAME dll 3.91, 128 Kbit/s, Joint Stereo, Normal quality'
'TXXX:Acoustid Id'                                  '74786fd9-b28e-444c-8f18-d5a0d20f1665'
'TXXX:Artists'                                      'Samuel Onervas'
'TXXX:CATALOGNUMBER'                                'ERA 2023-2'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '6ad5b73d-7ae0-4785-afac-777b7cf89121'
'TXXX:MusicBrainz Album Release Country'            'CZ'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '7ebe5211-63bf-4080-9192-9841be546359'
'TXXX:MusicBrainz Release Group Id'                 'a30c0dc6-b43b-3633-9b68-9a2be7e92e8d'
'TXXX:MusicBrainz Release Track Id'                 '287651ef-0097-36ef-b08c-08298d796e65'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '4'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['hard techno', 'techno', 'acid', 'tribal', 'acid techno']
'TXXX:originalyear'                                 '2001'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.02 dB'
'TXXX:replaygain_track_peak'                        '0.507737'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'0c1e4cb2-adda-4ea3-b675-bbb43dbfead8')

========================== row from database ==========================
                                              'id'  1484326
                                            'path'  /data/Music/Bulk/00poprockelectronic/techno energy # 12 - traxster (2001)/01 - samuel onervas - inter primate express.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  267
                                           'genre'  electronic-th-techno
                                        'filesize'  4289284
                                           'mtime'  1620573871
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic techno energy # traxster (2001) 01 samuel onervas inter primate express electronic th techno
                                      'tag_artist'  Samuel Onervas
                                     'tag_release'  Techno Energy 12
                                       'tag_title'  Inter Primate Express (Melrob remix)
                                             'bpm'  136.7
                                    'search_title'  'express':3 'inter':1 'melrob':4,5 'primate':2 'remix':6,7
                                   'search_artist'  'onervas':2 'samuel':1
                                  'search_release'  'energy':2 'techno':1
                                     'search_rest'  '00poprockelectronic':1 '2001':5,6 'electronic':12 'energy':3 'express':11 'inter':9 'onervas':8 'primate':10 'samuel':7 'techno':2 'th':13 'traxster':4
                                    'search_combo'  '00poprockelectronic':12 '2001':16,17 'electronic':23 'energy':11C,14 'express':3A,22 'inter':1A,20 'melrob':4A,5A 'onervas':9B,19 'primate':2A,21 'remix':6A,7A 'samuel':8B,18 'techno':10C,13 'th':24 'traxster':15
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-4', 'Q-OLDST-3', 'Q-GRIT-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-4', 'q-other-1', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-4']
                                      'lastfmtags'  ['hard techno', 'techno', 'acid', 'tribal', 'acid techno']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620573870.800711  (2021-05-09 17:24:30)
                             'size'  4289284