======================== unified (from filesystem) ========================
                                         'bitrate'  '152.036'
                                        'duration'  '117'
                                          'artist'  'Joe Robinson/Ian Rainford/Clair Pearson'
                                     'text_people'  ''
                                         'release'  'Disposable Music Sampler Volume 1'
                                           'title'  'Big Pen 2'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-LOCALNESS-2', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '145.685'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Disposable Music Sampler Volume 1'
'TBPM' (BPM (beats per minute))                     '145.685'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Big Pen 2'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Joe Robinson/Ian Rainford/Clair Pearson'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.03 dB'
'TXXX:replaygain_track_peak'                        '2.708471'

========================== row from database ==========================
                                              'id'  718322
                                            'path'  /data/Music/Bulk/00localcharacter/VA - Disposable Music Sampler Volume 1 [Disposable Music] (2009)/07 Joe Robinson-Ian Rainford-Clair Pearson - Big Pen 2.mp3
                                         'working'  None
                                         'bitrate'  152
                                    'duration_sec'  117
                                           'genre'  loc-unsorted
                                        'filesize'  2312192
                                           'mtime'  1622821974
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter VA [Disposable Music] (2009) 07 loc unsorted
                                      'tag_artist'  Joe Robinson/Ian Rainford/Clair Pearson
                                     'tag_release'  Disposable Music Sampler Volume 1
                                       'tag_title'  Big Pen 2
                                             'bpm'  145.685
                                    'search_title'  '2':3 'big':1 'pen':2
                                   'search_artist'  'clair':6 'ian':3 'joe':1 'pearson':8 'rainford':5 'rainfordclair':7 'robinson':2 'robinsonian':4
                                  'search_release'  '1':5 'disposable':1 'music':2 'sampler':3 'volume':4
                                     'search_rest'  '2009':6,7 'disposable':2,3 'loc':8 'music':4,5 'unsorted':9 'va':1
                                    'search_combo'  '1':16C '2':3A '2009':22,23 'big':1A 'clair':9B 'disposable':12C,18,19 'ian':6B 'joe':4B 'loc':24 'music':13C,20,21 'pearson':11B 'pen':2A 'rainford':8B 'rainfordclair':10B 'robinson':5B 'robinsonian':7B 'sampler':14C 'unsorted':25 'va':17 'volume':15C
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622821973.6941373  (2021-06-04 17:52:53)
                             'size'  2312192