======================== unified (from filesystem) ========================
                                         'bitrate'  '222.101'
                                        'duration'  '265'
                                          'artist'  'Asylum Street Spankers'
                                     'text_people'  ''
                                         'release'  'A Christmas Spanking'
                                           'title'  "Baby, It's Cold Outside"
                                           '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'  '6'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country-alt;set-th-christmas'
                                             'bpm'  '139.466'
                                             'key'  '5B'
                                        '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))                     '139.466'
'TCON' (Content type, a.k.a. Genre)                 ['loc-namerica-country-alt', 'set-th-christmas']
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         "Baby, It's Cold Outside"
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Asylum Street Spankers'
'TRCK' (Track number/Position in set)               '6'
'TSRC' (ISRC (international standard recording code))  'USA4E0301006'
'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'                        '+1.89 dB'
'TXXX:replaygain_track_peak'                        '0.685303'

========================== row from database ==========================
                                              'id'  1513341
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Asylum Street Spankers/[LM]Asylum Street Spankers - A Christmas Spanking/mp3/Asylum Street Spankers - A Christmas Spanking - 06 Baby, It_s Cold Outside.mp3
                                         'working'  None
                                         'bitrate'  222
                                    'duration_sec'  265
                                           'genre'  loc-namerica-country-alt;set-th-christmas
                                        'filesize'  7539974
                                           'mtime'  1639508126
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos [LM]Asylum mp3 06 It_s loc namerica country alt;set th christmas
                                      'tag_artist'  Asylum Street Spankers
                                     'tag_release'  A Christmas Spanking
                                       'tag_title'  Baby, It's Cold Outside
                                             'bpm'  139.466
                                    'search_title'  'baby':1,2 'cold':6 'it':3 'its':5 'outside':7 's':4
                                   'search_artist'  'asylum':1 'spankers':3 'street':2
                                  'search_release'  'a':1 'christmas':2 'spanking':3
                                     'search_rest'  '00singer':1 'alt':13,15 'asylum':5 'christmas':18 'country':12 'eos':3 'it':8 'lm':4 'lmasylum':6 'loc':10 'mp3':7 'namerica':11 's':9 'set':14,16 'songwriter':2 'th':17
                                    'search_combo'  '00singer':14 'a':11C 'alt':26,28 'asylum':8B,18 'baby':1A,2A 'christmas':12C,31 'cold':6A 'country':25 'eos':16 'it':3A,21 'its':5A 'lm':17 'lmasylum':19 'loc':23 'mp3':20 'namerica':24 'outside':7A 's':4A,22 'set':27,29 'songwriter':15 'spankers':10B 'spanking':13C 'street':9B 'th':30
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  5B
                                           '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'  1639508125.8351955  (2021-12-14 19:55:25)
                             'size'  7539974