======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '295'
                                          'artist'  'Deco Faction'
                                     'text_people'  ''
                                         'release'  'A Tribute to Some Bizarre, Volume 7'
                                           'title'  'Echoes of the Past'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'Q-OLDST-3', 'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', "
 "'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['minimal wave', 'minimal synth', 'synth pop', 'synthpop', 'new wave']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '23'
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '130.1'
                                             'key'  '12A'
                                        'acoustid'  '4e3a2276-e36b-4110-b9ee-c46a2b4202ad'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'A Tribute to Some Bizarre, Volume 7'
'TBPM' (BPM (beats per minute))                     '130.1'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Echoes of the Past'
'TKEY' (Initial key)                                '12A'
'TMED' (Media type)                                 'CD-R'
'TPE1' (Lead performer(s)/Soloist(s))               'Deco Faction'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'A Tribute to Some Bizarre'
'TRCK' (Track number/Position in set)               '4/23'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Deco Faction'
'TXXX:Acoustid Id'                                  '4e3a2276-e36b-4110-b9ee-c46a2b4202ad'
'TXXX:Artists'                                      'Deco Faction'
'TXXX:CATALOGNUMBER'                                'ATTSB 07'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '91ca5b2c-a9b4-456d-bd8e-699f794bb7e3'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'bootleg'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '600ee8d1-4c93-4731-9ffb-4079ed8a703c'
'TXXX:MusicBrainz Release Group Id'                 '0459947f-408d-4e51-b9fd-118b2a6cd719'
'TXXX:MusicBrainz Release Track Id'                 'e38fe7dc-8647-36fe-9bf1-5fbe65319f90'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['minimal wave', 'minimal synth', 'synth pop', 'synthpop', 'new wave']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '+0.33 dB'
'TXXX:replaygain_track_peak'                        '0.581476'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'0021b908-d392-44f3-839d-1ac8132838d8')

========================== row from database ==========================
                                              'id'  850791
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/A Tribute To Some Bizarre/A Tribute To Some Bizarre Vol. 7 {+bonus}/1) [VBR]/09 - Deco Faction- Echoes Of The Past.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  295
                                           'genre'  electronic-unsorted
                                        'filesize'  7127922
                                           'mtime'  1620516592
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm To To Vol. {+bonus} 1) [VBR] 09 Of The electronic unsorted
                                      'tag_artist'  Deco Faction
                                     'tag_release'  A Tribute to Some Bizarre, Volume 7
                                       'tag_title'  Echoes of the Past
                                             'bpm'  130.1
                                    'search_title'  'echoes':1 'of':2 'past':4 'the':3
                                   'search_artist'  'deco':1 'faction':2
                                  'search_release'  '7':8 'a':1 'bizarre':5,6 'some':4 'to':3 'tribute':2 'volume':7
                                     'search_rest'  '1':5,6 'bonus':4 'electronic':11 'of':9 'the':10 'to':1 'unsorted':12 'vbr':7,8 'vol':2,3
                                    'search_combo'  '1':19,20 '7':14C 'a':7C 'bizarre':11C,12C 'bonus':18 'deco':5B 'echoes':1A 'electronic':25 'faction':6B 'of':2A,23 'past':4A 'some':10C 'the':3A,24 'to':9C,15 'tribute':8C 'unsorted':26 'vbr':21,22 'vol':16,17 'volume':13C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['minimal wave', 'minimal synth', 'synth pop', 'synthpop', 'new wave']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620516592.377172  (2021-05-09 01:29:52)
                             'size'  7127922