======================== unified (from filesystem) ========================
                                         'bitrate'  '194.623'
                                        'duration'  '407'
                                          'artist'  'The Gaslamp Killer'
                                     'text_people'  ''
                                         'release'  "It's A Rocky Road : Volume 2"
                                           'title'  'Theme De Yoyo'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', '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-3']")
                                      'lastfmtags'  "['psychedelic', 'jazz', 'electronic', 'hip hop', 'experimental']"
                                     'discogstags'  "['jazz', 'rock', 'funk / soul', 'psychedelic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  '15'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '131.243'
                                             'key'  '6A'
                                        'acoustid'  'f29ce2c1-e6cc-4700-a4ef-3f709f50a450'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000AC0 000016D6 000088C5'
'COMM:iTunNORM:eng'                                 (' 00000AC0 000016D6 000088C5 0000DD20 000570A7 0004FEE9 00008000 00008000 '
 '0000498F 000086C8')
'PRIV:http://www.cdtag.com:\x02\x00Â<ß\x00'         PRIV(owner='http://www.cdtag.com', data=b'\x02\x00\xc2<\xdf\x00')
'TALB' (Album/Movie/Show title)                     "It's A Rocky Road : Volume 2"
'TBPM' (BPM (beats per minute))                     '131.243'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDOR' (Original release time)                      '2007'
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 '- hot soup -'
'TIT2' (Title/songname/content description)         'Theme De Yoyo'
'TKEY' (Initial key)                                '6A'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'Art Ensemble of Chicago'
'TPE2' (Band/orchestra/accompaniment)               'The Gaslamp Killer'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '15/15'
'TSO2'                                              'Gaslamp Killer, The'
'TSOP' (Performer sort order)                       'Art Ensemble of Chicago'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97 -V2 --vbr-new'
'TXXX:Acoustid Id'                                  'f29ce2c1-e6cc-4700-a4ef-3f709f50a450'
'TXXX:MusicBrainz Album Artist Id'                  '6ad95b5d-6ae9-45e3-847a-121d2b32dadc'
'TXXX:MusicBrainz Album Id'                         'f138ade7-7258-4a93-a914-bc4425012576'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'ed7156ee-07da-484b-b5a5-be322afa1a34'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:Release type'                                 'Normal release'
'TXXX:Rip date'                                     '2007-08-28'
'TXXX:Ripping tool'                                 'EAC'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:Source'                                       'CDR'
'TXXX:discogstags'                                  ['jazz', 'rock', 'funk / soul', 'psychedelic rock']
'TXXX:lastfmtags'                                   ['psychedelic', 'jazz', 'electronic', 'hip hop', 'experimental']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.34 dB'
'TXXX:replaygain_track_peak'                        '0.386375'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'37a5d5da-b9cb-44d0-89b0-9210b843945c')

========================== row from database ==========================
                                              'id'  1534123
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/The Gaslamp Killer/It_s A Rocky Road Vol.2/15 Track 15.mp3
                                         'working'  None
                                         'bitrate'  194
                                    'duration_sec'  407
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  9930684
                                           'mtime'  1620592535
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism It_s Vol.2 15 Track 15 hip hop or rnb or rap or turntablism
                                      'tag_artist'  The Gaslamp Killer
                                     'tag_release'  It's A Rocky Road : Volume 2
                                       'tag_title'  Theme De Yoyo
                                             'bpm'  131.243
                                    'search_title'  'de':2 'theme':1 'yoyo':3
                                   'search_artist'  'gaslamp':2 'killer':3 'the':1
                                  'search_release'  '2':8 'a':4 'it':1 'its':3 'road':6 'rocky':5 's':2 'volume':7
                                     'search_rest'  '2':8 'hip':11 'hiphop':1 'hop':12 'it':5 'or':13 'rap':2 'rnb':3 's':6 'track':10 'turntablism':4 'vol':7 'vol2':9
                                    'search_combo'  '2':14C,22 'a':10C 'de':2A 'gaslamp':5B 'hip':25 'hiphop':15 'hop':26 'it':7C,19 'its':9C 'killer':6B 'or':27 'rap':16 'rnb':17 'road':12C 'rocky':11C 's':8C,20 'the':4B 'theme':1A 'track':24 'turntablism':18 'vol':21 'vol2':23 'volume':13C 'yoyo':3A
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['psychedelic', 'jazz', 'electronic', 'hip hop', 'experimental']
                                        'tag_date'  2007
                                     'discogstags'  ['jazz', 'rock', 'funk / soul', 'psychedelic rock']

============================== file details ==============================
                                           'mtime'  1620592534.671951  (2021-05-09 22:35:34)
                             'size'  9930684