======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '246'
                                          'artist'  'Roby Weber Quartet'
                                     'text_people'  ''
                                         'release'  "Jazzin' out of Cool, Vol. 6"
                                           'title'  'Sunday Morning Nosh'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '117.3'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Jazzin' out of Cool, Vol. 6"
'TBPM' (BPM (beats per minute))                     '117.3'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TIT2' (Title/songname/content description)         'Sunday Morning Nosh'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Roby Weber Quartet'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.05 dB'
'TXXX:replaygain_track_peak'                        '0.679982'

========================== row from database ==========================
                                              'id'  1454965
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/jazzin/06 Sunday Morning Nosh.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  246
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  9882575
                                           'mtime'  1620537839
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country jazzin 06 prerock jb jazz unsorted
                                      'tag_artist'  Roby Weber Quartet
                                     'tag_release'  Jazzin' out of Cool, Vol. 6
                                       'tag_title'  Sunday Morning Nosh
                                             'bpm'  117.3
                                    'search_title'  'morning':2 'nosh':3 'sunday':1
                                   'search_artist'  'quartet':3 'roby':1 'weber':2
                                  'search_release'  '6':9 'cool':5,6 'jazzin':1,2 'of':4 'out':3 'vol':7,8
                                     'search_rest'  'country':4 'exotica':2 'jazz':1 'jazzin':5 'jb':7 'oldies':3 'prerock':6 'unsorted':8
                                    'search_combo'  '6':15C 'cool':11C,12C 'country':19 'exotica':17 'jazz':16 'jazzin':7C,8C,20 'jb':22 'morning':2A 'nosh':3A 'of':10C 'oldies':18 'out':9C 'prerock':21 'quartet':6B 'roby':4B 'sunday':1A 'unsorted':23 'vol':13C,14C 'weber':5B
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620537838.802144  (2021-05-09 07:23:58)
                             'size'  9882575