======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '178'
                                          'artist'  'Bill Haley & The Comets'
                                     'text_people'  ''
                                         'release'  'Wacky Favorites (Disc 2)'
                                           'title'  'Skinny Minnie'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'q-syn-2', "
 "'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-3', "
 "'q-other-3', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['rockabilly', 'rock and roll', 'rock n roll', 'oldies', '50s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '117.262'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Wacky Favorites (Disc 2)'
'TBPM' (BPM (beats per minute))                     '117.262'
'TIT2' (Title/songname/content description)         'Skinny Minnie'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bill Haley & The Comets'
'TRCK' (Track number/Position in set)               '20'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rockabilly', 'rock and roll', 'rock n roll', 'oldies', '50s']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.89 dB'
'TXXX:replaygain_track_peak'                        '0.363433'

========================== row from database ==========================
                                              'id'  1359244
                                            'path'  /data/Music/Bulk/00poprockelectronic/misc/Bill Haley & the Comets - Skinny Minnie.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  178
                                           'genre'  
                                        'filesize'  4280519
                                           'mtime'  1652398010
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic misc the
                                      'tag_artist'  Bill Haley & The Comets
                                     'tag_release'  Wacky Favorites (Disc 2)
                                       'tag_title'  Skinny Minnie
                                             'bpm'  117.262
                                    'search_title'  'minnie':2 'skinny':1
                                   'search_artist'  'bill':1 'comets':4 'haley':2 'the':3
                                  'search_release'  '2':5,6 'disc':3,4 'favorites':2 'wacky':1
                                     'search_rest'  '00poprockelectronic':1 'misc':2 'the':3
                                    'search_combo'  '00poprockelectronic':13 '2':11C,12C 'bill':3B 'comets':6B 'disc':9C,10C 'favorites':8C 'haley':4B 'minnie':2A 'misc':14 'skinny':1A 'the':5B,15 'wacky':7C
                                    'tag_tracknum'  20
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-2']
                                      'lastfmtags'  ['rockabilly', 'rock and roll', 'rock n roll', 'oldies', '50s']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652398009.831038  (2022-05-13 01:26:49)
                             'size'  4280519