======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '21'
                                          'artist'  'Copycat Massacre'
                                     'text_people'  ''
                                         'release'  'ercassaM tacypoC'
                                           'title'  "If Eye'm a Pirate Again"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-4', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-4', 'q-grit-3', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['soundtrack', 'punk', 'experimental', 'psychedelic', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-glitch-breakcore'
                                             'bpm'  '143.5'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:ý\x1d\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xfd\x1d\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'ercassaM tacypoC'
'TBPM' (BPM (beats per minute))                     '143.5'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-glitch-breakcore'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         "If Eye'm a Pirate Again"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Copycat Massacre'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '4'
'TXXX:lastfmtags'                                   ['soundtrack', 'punk', 'experimental', 'psychedelic', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.39 dB'
'TXXX:replaygain_track_peak'                        '0.336215'

========================== row from database ==========================
                                              'id'  1497662
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/copycat massacre - satchmo and the copycat massacre (ercassam tacypoc)/61 - Copycat Massacre - If Eye_m a Pirate Again.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  21
                                           'genre'  electronic-experimental-glitch-breakcore
                                        'filesize'  436094
                                           'mtime'  1621638087
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm copycat massacre satchmo and the copycat massacre (ercassam tacypoc) 61 Eye_m electronic experimental glitch breakcore
                                      'tag_artist'  Copycat Massacre
                                     'tag_release'  ercassaM tacypoC
                                       'tag_title'  If Eye'm a Pirate Again
                                             'bpm'  143.5
                                    'search_title'  'a':5 'again':7 'eye':2 'eyem':4 'if':1 'm':3 'pirate':6
                                   'search_artist'  'copycat':1 'massacre':2
                                  'search_release'  'c':6 'ercassa':3 'ercassam':1 'm':4 'tacypo':5 'tacypoc':2
                                     'search_rest'  '61':10 'and':4 'breakcore':16 'copycat':1 'electronic':13 'ercassam':6,7 'experimental':14 'eye':11 'glitch':15 'm':12 'massacre':2 'satchmo':3 'tacypoc':8,9 'the':5
                                    'search_combo'  '61':25 'a':5A 'again':7A 'and':19 'breakcore':31 'c':15C 'copycat':8B,16 'electronic':28 'ercassa':12C 'ercassam':10C,21,22 'experimental':29 'eye':2A,26 'eyem':4A 'glitch':30 'if':1A 'm':3A,13C,27 'massacre':9B,17 'pirate':6A 'satchmo':18 'tacypo':14C 'tacypoc':11C,23,24 'the':20
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-4', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-1', 'q-syn-3', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['soundtrack', 'punk', 'experimental', 'psychedelic', 'ambient']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621638086.8429868  (2021-05-22 01:01:26)
                             'size'  436094