======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '122'
                                          'artist'  'The Spotnicks'
                                     'text_people'  ''
                                         'release'  'The Spotnick Vol 1'
                                           'title'  'Ghostriders In The Sky'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'surf', 'ed hits', 'guitar', '60s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'rock-pop-surf;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '132.8'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Spotnick Vol 1'
'TBPM' (BPM (beats per minute))                     '132.8'
'TCON' (Content type, a.k.a. Genre)                 ['rock-pop-surf', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1967'
'TIT2' (Title/songname/content description)         'Ghostriders In The Sky'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Spotnicks'
'TXXX:Mp3gain_minmax'                               '123,185'
'TXXX:Mp3gain_undo'                                 '+003,+003,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:Tracknum'                                     '04'
'TXXX:lastfmtags'                                   ['instrumental', 'surf', 'ed hits', 'guitar', '60s']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.01 dB'
'TXXX:replaygain_track_peak'                        '0.571305'

========================== row from database ==========================
                                              'id'  403845
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The Spotnicks-1962-1990-23 cd/The Spotnicks-1967-The Spotnicks Vol. 1 ( LP )/04 - Ghostriders In The Sky.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  122
                                           'genre'  rock-pop-surf;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  2450180
                                           'mtime'  1620736694
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1962 1990 23 cd 1967 Vol. ( LP ) 04 rock pop surf;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  The Spotnicks
                                     'tag_release'  The Spotnick Vol 1
                                       'tag_title'  Ghostriders In The Sky
                                             'bpm'  132.8
                                    'search_title'  'ghostriders':1 'in':2 'sky':4 'the':3
                                   'search_artist'  'spotnicks':2 'the':1
                                  'search_release'  '1':4 'spotnick':2 'the':1 'vol':3
                                     'search_rest'  '1962':1 '1967':5 '1990':2 '23':3 'cd':4 'lp':8 'mor':20 'pl':15 'pop':10 'rock':9 'set':12,14,17,19 'shirleyspinoza':16,18 'surf':11,13 'vol':6,7
                                    'search_combo'  '1':10C '1962':11 '1967':15 '1990':12 '23':13 'cd':14 'ghostriders':1A 'in':2A 'lp':18 'mor':30 'pl':25 'pop':20 'rock':19 'set':22,24,27,29 'shirleyspinoza':26,28 'sky':4A 'spotnick':8C 'spotnicks':6B 'surf':21,23 'the':3A,5B,7C 'vol':9C,16,17
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'surf', 'ed hits', 'guitar', '60s']
                                        'tag_date'  1967
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736693.7546594  (2021-05-11 14:38:13)
                             'size'  2450180