======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '2104'
                                          'artist'  'Shirley & Spinoza'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  's&S: Episode 24 - 1994 KCIA - FRB 30 mins - hifi'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-2', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['eclectic', 'collage music', 'tape music', 'avant garde', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza'
                                             'bpm'  '132.012'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 0000051F 00000533 0000D256 00'
'COMM:iTunNORM:eng'                                 (' 0000051F 00000533 0000D256 0000A985 0003D6F5 00151524 0000877B 000083A1 '
 '000AC882 0015A729')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000009A6 0000000005886ACA 00000000 0302C9A3 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '132.012'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-shirleyspinoza'
'TIT2' (Title/songname/content description)         's&S: Episode 24 - 1994 KCIA - FRB 30 mins - hifi'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Shirley & Spinoza'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['eclectic', 'collage music', 'tape music', 'avant garde', 'oldies']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.85 dB'
'TXXX:replaygain_track_peak'                        '0.712646'

========================== row from database ==========================
                                              'id'  986835
                                            'path'  /data/Music/Bulk/sns/SNSarchive/SS_Episode24_1994_KCIA_FRB_30mins_HiFi.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  2104
                                           'genre'  set-pl-shirleyspinoza
                                        'filesize'  50521974
                                           'mtime'  1678928683
                                   'redo_metaread'  0
                                        'rest_str'   sns SNSarchive SS_Episode24_1994_KCIA_FRB_30mins_HiFi set pl shirleyspinoza
                                      'tag_artist'  Shirley & Spinoza
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  s&S: Episode 24 - 1994 KCIA - FRB 30 mins - hifi
                                             'bpm'  132.012
                                    'search_title'  '1994':6 '24':5 '30':9 'episode':4 'frb':8 'hifi':11 'kcia':7 'mins':10 's':1,2 'ss':3
                                   'search_artist'  'shirley':1 'spinoza':2
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  '1994':5,15 '30mins':8,18 'episode24':4,14 'fi':20 'frb':7,17 'hi':19 'hifi':9 'kcia':6,16 'pl':11 'set':10 'shirleyspinoza':12 'sns':1 'snsarchive':2 'ss':3,13
                                    'search_combo'  '1994':6A,20,30 '24':5A '30':9A '30mins':23,33 'episode':4A 'episode24':19,29 'fi':35 'frb':8A,22,32 'hi':34 'hifi':11A,24 'kcia':7A,21,31 'mins':10A 'pl':26 's':1A,2A 'set':25 'shirley':12B,14C 'shirleyspinoza':27 'sns':16 'snsarchive':17 'spinoza':13B,15C 'ss':3A,18,28
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HAP-2', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['eclectic', 'collage music', 'tape music', 'avant garde', 'oldies']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678928683.0515492  (2023-03-16 02:04:43)
                             'size'  50521974