======================== unified (from filesystem) ========================
                                         'bitrate'  '206.656'
                                        'duration'  '133'
                                          'artist'  'Asylum Street Spankers'
                                     'text_people'  ''
                                         'release'  'A Christmas Spanking'
                                           'title'  'Trim Your Tree'
                                           'quals'  ("['Q-JZFKS-2', 'Q-HAP-3', 'Q-UNU-2', 'Q-OLDST-1', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['acoustic', 'blues', 'alt country', 'austin', 'folk']"
                                     'discogstags'  ("['jazz', 'rock', 'blues', 'folk, world, & country', 'country blues', "
 "'acoustic', 'bluegrass', 'dixieland', 'country']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country-alt;set-th-christmas'
                                             'bpm'  '143.416'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:cover'                                        type PictureType.COVER_FRONT (Cover (front)) b'cover'
                                     
'TALB' (Album/Movie/Show title)                     'A Christmas Spanking'
'TBPM' (BPM (beats per minute))                     '143.416'
'TCON' (Content type, a.k.a. Genre)                 ['loc-namerica-country-alt', 'set-th-christmas']
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Trim Your Tree'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Asylum Street Spankers'
'TRCK' (Track number/Position in set)               '14'
'TSRC' (ISRC (international standard recording code))  'USA4E0301014'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['jazz',
 'rock',
 'blues',
 'folk, world, & country',
 'country blues',
 'acoustic',
 'bluegrass',
 'dixieland',
 'country']
'TXXX:lastfmtags'                                   ['acoustic', 'blues', 'alt country', 'austin', 'folk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.10 dB'
'TXXX:replaygain_track_peak'                        '0.583850'

========================== row from database ==========================
                                              'id'  1422356
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Asylum Street Spankers/[LM]Asylum Street Spankers - A Christmas Spanking/mp3/Asylum Street Spankers - A Christmas Spanking - 14 Trim Your Tree.mp3
                                         'working'  None
                                         'bitrate'  206
                                    'duration_sec'  133
                                           'genre'  loc-namerica-country-alt;set-th-christmas
                                        'filesize'  3639722
                                           'mtime'  1639508127
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos [LM]Asylum mp3 14 loc namerica country alt;set th christmas
                                      'tag_artist'  Asylum Street Spankers
                                     'tag_release'  A Christmas Spanking
                                       'tag_title'  Trim Your Tree
                                             'bpm'  143.416
                                    'search_title'  'tree':3 'trim':1 'your':2
                                   'search_artist'  'asylum':1 'spankers':3 'street':2
                                  'search_release'  'a':1 'christmas':2 'spanking':3
                                     'search_rest'  '00singer':1 'alt':11,13 'asylum':5 'christmas':16 'country':10 'eos':3 'lm':4 'lmasylum':6 'loc':8 'mp3':7 'namerica':9 'set':12,14 'songwriter':2 'th':15
                                    'search_combo'  '00singer':10 'a':7C 'alt':20,22 'asylum':4B,14 'christmas':8C,25 'country':19 'eos':12 'lm':13 'lmasylum':15 'loc':17 'mp3':16 'namerica':18 'set':21,23 'songwriter':11 'spankers':6B 'spanking':9C 'street':5B 'th':24 'tree':3A 'trim':1A 'your':2A
                                    'tag_tracknum'  14
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['acoustic', 'blues', 'alt country', 'austin', 'folk']
                                        'tag_date'  2001
                                     'discogstags'  ['jazz', 'rock', 'blues', 'folk, world, & country', 'country blues', 'acoustic', 'bluegrass', 'dixieland', 'country']

============================== file details ==============================
                                           'mtime'  1639508127.217974  (2021-12-14 19:55:27)
                             'size'  3639722