======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '122'
                                          'artist'  'Robert Johnson And Punchdrunks'
                                     'text_people'  ''
                                         'release'  'Fried On the Altar of Good Taste'
                                           'title'  'Surf As Houdini'
                                           '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-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['surf', 'swedish', 'instrumental', 'surf rock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '14'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'rock-pop-surf;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '131.6'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Fried On the Altar of Good Taste'
'TBPM' (BPM (beats per minute))                     '131.6'
'TCON' (Content type, a.k.a. Genre)                 ['rock-pop-surf', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '2000'
'TENC' (Encoded by)                                 'Ainqm'
'TIT2' (Title/songname/content description)         'Surf As Houdini'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Robert Johnson And Punchdrunks'
'TRCK' (Track number/Position in set)               '4/14'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['surf', 'swedish', 'instrumental', 'surf rock', 'rock']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.16 dB'
'TXXX:replaygain_track_peak'                        '0.325796'

========================== row from database ==========================
                                              'id'  1421226
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Robert Johnson And Punchdrunks - robert johnson & punchdrunks - fried on the altar of good taste/fried on the altar of good taste-04-surf as houdini.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  122
                                           'genre'  rock-pop-surf;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  3917488
                                           'mtime'  1620737083
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner robert johnson & punchdrunks fried altar good taste fried altar good taste 04 surf houdini rock pop surf;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Robert Johnson And Punchdrunks
                                     'tag_release'  Fried On the Altar of Good Taste
                                       'tag_title'  Surf As Houdini
                                             'bpm'  131.6
                                    'search_title'  'as':2 'houdini':3 'surf':1
                                   'search_artist'  'and':3 'johnson':2 'punchdrunks':4 'robert':1
                                  'search_release'  'altar':4 'fried':1 'good':6 'of':5 'on':2 'taste':7 'the':3
                                     'search_rest'  'altar':9 'fried':8 'garage':2 'good':10 'houdini':12 'johnson':6 'mor':24 'pl':19 'pop':14 'punchdrunks':7 'punk':1 'robert':5 'rock':13 'set':16,18,21,23 'shirleyspinoza':20,22 'stoner':4 'surf':3,15,17 'taste':11
                                    'search_combo'  'altar':11C,23 'and':6B 'as':2A 'fried':8C,22 'garage':16 'good':13C,24 'houdini':3A,26 'johnson':5B,20 'mor':38 'of':12C 'on':9C 'pl':33 'pop':28 'punchdrunks':7B,21 'punk':15 'robert':4B,19 'rock':27 'set':30,32,35,37 'shirleyspinoza':34,36 'stoner':18 'surf':1A,17,29,31 'taste':14C,25 'the':10C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  9A
                                           '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-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['surf', 'swedish', 'instrumental', 'surf rock', 'rock']
                                        'tag_date'  2000
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620737082.575855  (2021-05-11 14:44:42)
                             'size'  3917488